Product Code: MD 9401
The single-use surgical instruments market is projected to reach USD 7.80 billion by 2030 from USD 5.92 billion in 2025, at a CAGR of 5.7%.
Scope of the Report |
Years Considered for the Study | 2022-2030 |
Base Year | 2024 |
Forecast Period | 2025-2030 |
Units Considered | Value (USD Billion) |
Segments | Product Type, Application, Care Setting, and Region |
Regions covered | North America, Europe, Asia Pacific, Latin America, the Middle East & Africa, and GCC Countries |
The increasing number of outpatient and ambulatory surgical centers (ASCs) is driving a significant demand for single-use surgical instruments. These facilities are designed for same-day surgeries that require efficient, cost-effective, and sterile solutions. Unlike traditional hospitals, ASCs often have limited sterilization infrastructure and staff, making reusable instruments less practical.
Single-use instruments provide a convenient alternative, as they eliminate the need for reprocessing, reduce turnaround times between procedures, and minimize the risk of cross-contamination. Additionally, the cost savings associated with avoiding expensive sterilization equipment and processes make disposable tools particularly appealing to these centers.
As the healthcare industry shifts toward value-based care and minimally invasive procedures, ASCs are experiencing increased patient volumes. This trend directly supports the adoption of ready-to-use, sterile surgical tools that meet their operational needs. Consequently, manufacturers of single-use surgical instruments have a growing opportunity to cater to this expanding market through targeted innovation and distribution strategies.
By product type, the handheld surgical instruments segment held the largest share of the global single-use surgical instruments market in 2024.
The handheld surgical instruments segment leads the global market primarily because they are more cost-effective than reusable alternatives. While reusable instruments may seem cheaper initially, the hidden and recurring costs associated with reprocessing, including labor, sterilization equipment, utilities, chemical agents, and strict quality control protocols, significantly increase the overall expense.
In contrast, single-use instruments eliminate these costs entirely, providing a more predictable and often lower total cost per procedure. They also minimize the risk of procedural delays resulting from reprocessing errors or equipment failure. This financial and operational efficiency is driving the widespread adoption of single-use instruments in hospitals and surgical centers around the world.
By application, the general surgery segment held the largest market share in 2024.
The general surgery segment is the leading sector in the global single-use surgical instruments market, largely driven by increased healthcare access in emerging markets. Governments and private sectors are investing in the improvement of medical infrastructure, resulting in the establishment of more hospitals and clinics in previously underserved areas. General surgeries, which are often among the first services offered, require a wide range of instruments.
Single-use tools provide an ideal solution for these settings, as they eliminate the need for complex and expensive sterilization processes. Their affordability, ease of use, and reliability make them particularly suitable for resource-limited or newly established facilities, which contributes to their growing adoption and boosts market growth in these regions.
North America accounted for the largest share of the SUSI market in 2024.
North American manufacturers are pioneering the development of high-quality disposable surgical tools that are not only ergonomically designed but also optimized for performance efficiency. These innovative tools are engineered to meet the rigorous standards of modern healthcare, ensuring they provide both comfort for the surgeon and safety for the patient.
The region has distinguished itself by embracing cutting-edge medical technologies, which play a crucial role in advancing patient care and enhancing safety protocols in surgical environments. This commitment to innovation is reflected in the continuous improvement of surgical instruments, which facilitate better outcomes and streamline procedures.
A breakdown of the primary participants (supply side) for the single-use surgical instruments market referred to in this report is provided below:
- By Company Type: Tier 1 (40%), Tier 2 (30%), and Tier 3 (30%)
- By Designation: C-level Executives (55%), D-level Executives (27%), and Others (18%)
- By Region: North America (35%), Europe (32%), Asia Pacific (25%), Latin America (5%), the Middle East & Africa (1%), and GCC Countries (2%)
Prominent players in the single-use surgical instruments market are Ethicon, Inc. (US), Medtronic (Ireland), BD (US), B. Braun SE (Germany), Smith+Nephew (UK), CooperSurgical, Inc. (US), and Stryker (US).
Research Coverage
The report assesses the market for single-use surgical instruments and estimates its size and future growth potential across various segments, including product type, application, care setting, and region. Additionally, the report features a competitive analysis of the key players in this market, along with company profiles, descriptions of their product offerings, recent developments, and important market strategies.
Reasons to Buy the Report
The report will help both market leaders and new entrants by providing data on estimated revenue figures for the overall single-use surgical instruments market and its subsegments. It will assist stakeholders in understanding the competitive landscape, enabling them to position their businesses effectively and develop appropriate go-to-market strategies. Additionally, the report provides insights into market trends and offers data on key drivers, challenges, obstacles, and opportunities within the market.
This report provides insights into the following points:
- Analysis of key drivers (increasing prevalence of chronic diseases and growing number of surgical procedures), restraints (high cost associated with single-use instruments and regulatory and quality control challenges), opportunities (expansion of healthcare infrastructure in emerging markets), and challenges (environmental sustainability and waste management)
- Product Enhancement/Innovation: Comprehensive details about product launches and anticipated trends in the global SUSI market
- Market Development: Thorough knowledge and analysis of the profitable rising markets by product type, application, care setting, and region
- Market Diversification: Comprehensive information about newly launched products and services, expanding markets, current advancements, and investments in the global SUSI market
- Competitive Assessment: Thorough evaluation of the market shares, growth plans, offerings, and capacities of the major competitors in the global SUSI market
TABLE OF CONTENTS
1 INTRODUCTION
- 1.1 STUDY OBJECTIVES
- 1.2 MARKET DEFINITION
- 1.3 STUDY SCOPE
- 1.3.1 MARKETS COVERED & REGIONAL SCOPE
- 1.3.2 INCLUSIONS & EXCLUSIONS
- 1.4 YEARS CONSIDERED
- 1.5 CURRENCY USED
- 1.6 UNIT CONSIDERED
- 1.7 STAKEHOLDERS
- 1.8 LIMITATIONS
2 RESEARCH METHODOLOGY
- 2.1 RESEARCH DATA
- 2.2 RESEARCH DESIGN
- 2.2.1 SECONDARY RESEARCH
- 2.2.1.1 Key data from secondary sources
- 2.2.2 PRIMARY RESEARCH
- 2.2.2.1 Primary sources
- 2.2.2.2 Key industry insights
- 2.2.2.3 Breakdown of primary interviews
- 2.3 MARKET SIZE ESTIMATION
- 2.3.1 SUPPLY-SIDE ANALYSIS (REVENUE SHARE ANALYSIS)
- 2.3.2 BOTTOM-UP APPROACH
- 2.3.2.1 Company revenue estimation approach
- 2.3.2.2 Customer-based market estimation
- 2.3.2.3 Demand-side analysis
- 2.3.2.4 Growth forecast approach
- 2.4 DATA TRIANGULATION
- 2.5 MARKET SHARE ASSESSMENT
- 2.6 RESEARCH ASSUMPTIONS
- 2.7 RESEARCH LIMITATIONS
- 2.8 RISK ASSESSMENT
3 EXECUTIVE SUMMARY
4 PREMIUM INSIGHTS
- 4.1 SINGLE-USE SURGICAL INSTRUMENTS MARKET OVERVIEW
- 4.2 ASIA PACIFIC: SINGLE-USE SURGICAL INSTRUMENTS MARKET, BY PRODUCT TYPE AND COUNTRY (2024)
- 4.3 SINGLE-USE SURGICAL INSTRUMENTS MARKET: GEOGRAPHIC GROWTH OPPORTUNITIES
- 4.4 SINGLE-USE SURGICAL INSTRUMENTS MARKET: REGIONAL MIX
- 4.5 SINGLE-USE SURGICAL INSTRUMENTS MARKET: DEVELOPED VS. DEVELOPING ECONOMIES
5 MARKET OVERVIEW
- 5.1 INTRODUCTION
- 5.2 MARKET DYNAMICS
- 5.2.1 DRIVERS
- 5.2.1.1 Increasing prevalence of chronic diseases
- 5.2.1.2 Growing number of surgical procedures
- 5.2.1.3 Increased focus on safety and infection control
- 5.2.1.4 Technological advancements
- 5.2.2 RESTRAINTS
- 5.2.2.1 High cost associated with single-use instruments
- 5.2.2.2 Regulatory and quality control challenges
- 5.2.3 OPPORTUNITIES
- 5.2.3.1 Expansion of healthcare infrastructure in emerging markets
- 5.2.4 CHALLENGES
- 5.2.4.1 Environmental sustainability and waste management
- 5.3 TRENDS/DISRUPTIONS IMPACTING CUSTOMERS' BUSINESSES
- 5.4 PRICING ANALYSIS
- 5.4.1 AVERAGE SELLING PRICE OF KEY PLAYERS, BY PRODUCT TYPE, 2024
- 5.4.2 AVERAGE SELLING PRICE TREND OF FORCEPS, BY REGION, 2022-2024 (USD)
- 5.5 VALUE CHAIN ANALYSIS
- 5.6 SUPPLY CHAIN ANALYSIS
- 5.7 ECOSYSTEM ANALYSIS
- 5.8 INVESTMENT & FUNDING SCENARIO
- 5.9 TECHNOLOGY ANALYSIS
- 5.9.1 KEY TECHNOLOGIES
- 5.9.1.1 Injection molding of medical-grade polymers
- 5.9.2 COMPLEMENTARY TECHNOLOGIES
- 5.9.2.1 Ergonomic design software to optimize instrument shape
- 5.9.3 ADJACENT TECHNOLOGIES
- 5.9.3.1 Robotic-assisted surgical tools
- 5.10 INDUSTRY TRENDS
- 5.10.1 INTEGRATION OF ADVANCED MATERIALS AND SUSTAINABILITY INITIATIVES
- 5.11 PATENT ANALYSIS
- 5.12 TRADE ANALYSIS
- 5.12.1 IMPORT DATA (HS CODE 901890)
- 5.12.2 EXPORT DATA (HS CODE 901890)
- 5.13 KEY CONFERENCES & EVENTS, 2025-2026
- 5.14 CASE STUDY ANALYSIS
- 5.14.1 CASE STUDY 1: ADOPTION OF SINGLE-USE SURGICAL INSTRUMENTS IN OPHTHALMIC SURGERIES
- 5.14.2 CASE STUDY 2: SSI REDUCTION IN ORTHOPEDIC SURGERY THROUGH THE USE OF SINGLE-USE IMPLANTS
- 5.14.3 CASE STUDY 3: REDUCED SSI RATES IN CESAREAN SECTIONS USING SINGLE-USE INSTRUMENTS IN LOW-RESOURCE SETTINGS
- 5.15 REGULATORY ANALYSIS
- 5.15.1 REGULATORY BODIES, GOVERNMENT AGENCIES, AND OTHER ORGANIZATIONS
- 5.15.2 REGULATORY LANDSCAPE
- 5.15.2.1 North America
- 5.15.2.1.1 US
- 5.15.2.1.2 Canada
- 5.15.2.2 Europe
- 5.15.2.3 Asia Pacific
- 5.15.2.3.1 China
- 5.15.2.3.2 Japan
- 5.15.2.3.3 India
- 5.15.2.4 Latin America
- 5.15.2.4.1 Brazil
- 5.15.2.4.2 Mexico
- 5.15.2.5 Middle East
- 5.15.2.6 Africa
- 5.16 PORTER'S FIVE FORCES ANALYSIS
- 5.16.1 BARGAINING POWER OF SUPPLIERS
- 5.16.2 BARGAINING POWER OF BUYERS
- 5.16.3 THREAT OF NEW ENTRANTS
- 5.16.4 THREAT OF SUBSTITUTES
- 5.16.5 INTENSITY OF COMPETITIVE RIVALRY
- 5.17 KEY STAKEHOLDERS & BUYING CRITERIA
- 5.17.1 KEY STAKEHOLDERS IN BUYING PROCESS
- 5.17.2 BUYING CRITERIA
- 5.18 UNMET NEEDS/END-USER EXPECTATIONS
- 5.19 IMPACT OF 2025 US TARIFF ON SINGLE-USE SURGICAL INSTRUMENTS MARKET
- 5.19.1 KEY TARIFF RATES
- 5.19.2 PRICE IMPACT ANALYSIS
- 5.19.3 IMPACT ON END-USER INDUSTRIES
- 5.20 ADJACENT MARKET ANALYSIS
6 SINGLE-USE SURGICAL INSTRUMENTS MARKET, BY PRODUCT TYPE
- 6.1 INTRODUCTION
- 6.2 HANDHELD SURGICAL INSTRUMENTS
- 6.2.1 SCALPELS
- 6.2.1.1 Infection control priorities and outpatient surgery growth to drive demand for single-use surgical scalpels
- 6.2.2 FORCEPS
- 6.2.2.1 Shift to minimally invasive surgeries to accelerate adoption of single-use surgical forceps
- 6.2.3 SCISSORS
- 6.2.3.1 Surging surgical volumes to drive demand for single-use surgical scissors
- 6.2.4 OTHER HANDHELD SURGICAL INSTRUMENTS
- 6.3 ELECTROSURGICAL INSTRUMENTS
- 6.3.1 CAUTERY DEVICES
- 6.3.1.1 Sterility requirements to fuel growth in single-use cautery devices market
- 6.3.2 BIPOLAR FORCEPS
- 6.3.2.1 Growing preference for minimally invasive and robotic-assisted surgeries to boost market growth
- 6.3.3 OTHER ELECTROSURGICAL INSTRUMENTS
- 6.4 ENDOSCOPIC INSTRUMENTS
- 6.4.1 SINGLE-USE TROCARS
- 6.4.1.1 Rising adoption of minimally invasive surgeries and infection prevention imperatives to fuel growth
- 6.4.2 GRASPERS
- 6.4.2.1 Increasing demand for sterile, efficient solutions in minimally invasive surgeries to boost growth
- 6.4.3 OTHER ENDOSCOPIC INSTRUMENTS
- 6.5 OTHER SINGLE-USE SURGICAL INSTRUMENTS
7 SINGLE-USE SURGICAL INSTRUMENTS MARKET, BY APPLICATION
- 7.1 INTRODUCTION
- 7.2 GENERAL SURGERY
- 7.2.1 GROWING NEED FOR ENHANCED INFECTION CONTROL TO BOOST ADOPTION OF SINGLE-USE INSTRUMENTS IN GENERAL SURGERY
- 7.3 ORTHOPEDIC SURGERY
- 7.3.1 GROWING PREVALENCE OF OSTEOARTHRITIS AND SPORTS INJURIES TO BOOST MARKET GROWTH
- 7.4 CARDIOVASCULAR SURGERY
- 7.4.1 INCREASING INCIDENCE OF CARDIOVASCULAR DISEASES TO INCREASE NEED FOR CARDIAC INTERVENTION
- 7.5 GYNECOLOGY & OBSTETRICS SURGERY
- 7.5.1 INCREASING USE OF SUSI IN GYNECOLOGIC AND OBSTETRIC PROCEDURES TO ENSURE STERILITY TO DRIVE GROWTH
- 7.6 ENT SURGERY
- 7.6.1 INCREASING CASES OF ENT-RELATED DISORDERS TO BOOST DEMAND FOR SINGLE-USE SURGICAL INSTRUMENTS
- 7.7 OPHTHALMIC SURGERY
- 7.7.1 INNOVATIONS IN MICRO-INSTRUMENTATION TO BOLSTER MARKET
- 7.8 OTHER APPLICATIONS
8 SINGLE-USE SURGICAL INSTRUMENTS MARKET, BY CARE SETTING
- 8.1 INTRODUCTION
- 8.2 HOSPITALS & SPECIALTY CLINICS
- 8.2.1 HIGH VOLUME AND COMPLEXITY OF SURGERIES PERFORMED IN HOSPITALS TO DRIVE MARKET GROWTH
- 8.3 AMBULATORY SURGICAL CENTERS
- 8.3.1 SHIFT TOWARD OUTPATIENT SURGERIES TO CONTRIBUTE TO MARKET GROWTH
- 8.4 HOME CARE SETTINGS
- 8.4.1 GROWING PREFERENCE FOR HOME-BASED CARE TO BOOST DEMAND FOR SINGLE-USE SURGICAL INSTRUMENTS
9 SINGLE-USE SURGICAL INSTRUMENTS MARKET, BY REGION
- 9.1 INTRODUCTION
- 9.2 NORTH AMERICA
- 9.2.1 MACROECONOMIC OUTLOOK FOR NORTH AMERICA
- 9.2.2 US
- 9.2.2.1 Favorable infrastructure network to drive market
- 9.2.3 CANADA
- 9.2.3.1 Growing surgical volumes to fuel market
- 9.3 EUROPE
- 9.3.1 MACROECONOMIC OUTLOOK FOR EUROPE
- 9.3.2 GERMANY
- 9.3.2.1 Rising healthcare spending to increase demand for single-use surgical instruments
- 9.3.3 UK
- 9.3.3.1 Growing focus on high-quality care at licensed fertility clinics to propel market
- 9.3.4 FRANCE
- 9.3.4.1 Rising elderly population to boost market
- 9.3.5 ITALY
- 9.3.5.1 Regulatory guidelines to govern market
- 9.3.6 SPAIN
- 9.3.6.1 Booming medical tourism to drive market
- 9.3.7 REST OF EUROPE
- 9.4 ASIA PACIFIC
- 9.4.1 MACROECONOMIC OUTLOOK FOR ASIA PACIFIC
- 9.4.2 CHINA
- 9.4.2.1 Increasing medical benefits to drive market
- 9.4.3 JAPAN
- 9.4.3.1 Higher adoption of minimally invasive procedures to support market growth
- 9.4.4 INDIA
- 9.4.4.1 Affordable treatment options to fuel market
- 9.4.5 AUSTRALIA
- 9.4.5.1 Rise in chronic diseases to propel market
- 9.4.6 SOUTH KOREA
- 9.4.6.1 Growing focus on reversing low population trend to stimulate growth
- 9.4.7 REST OF ASIA PACIFIC
- 9.5 LATIN AMERICA
- 9.5.1 MACROECONOMIC OUTLOOK FOR LATIN AMERICA
- 9.5.2 BRAZIL
- 9.5.2.1 Increasing volume of surgical procedures to stimulate growth
- 9.5.3 MEXICO
- 9.5.3.1 Expansion of healthcare infrastructure to aid market growth
- 9.5.4 REST OF LATIN AMERICA
- 9.6 MIDDLE EAST & AFRICA
- 9.6.1 RISING HEALTHCARE SPENDING TO DRIVE MARKET
- 9.6.2 MACROECONOMIC OUTLOOK FOR MIDDLE EAST & AFRICA
- 9.7 GCC COUNTRIES
- 9.7.1 IMPROVING HEALTH INFRASTRUCTURE TO PROPEL MARKET
- 9.7.2 MACROECONOMIC OUTLOOK FOR GCC COUNTRIES
10 COMPETITIVE LANDSCAPE
- 10.1 OVERVIEW
- 10.2 KEY PLAYER STRATEGIES/RIGHT TO WIN, 2021-2025
- 10.3 REVENUE ANALYSIS, 2020-2024
- 10.4 MARKET SHARE ANALYSIS, 2024
- 10.5 COMPANY EVALUATION MATRIX: KEY PLAYERS, 2023
- 10.5.1 STARS
- 10.5.2 EMERGING LEADERS
- 10.5.3 PERVASIVE PLAYERS
- 10.5.4 PARTICIPANTS
- 10.5.5 COMPANY FOOTPRINT: KEY PLAYERS, 2024
- 10.5.5.1 Company footprint
- 10.5.5.2 Region footprint
- 10.5.5.3 Product type footprint
- 10.5.5.4 Application footprint
- 10.5.5.5 Care setting footprint
- 10.6 COMPANY EVALUATION MATRIX: STARTUPS/SMES, 2023
- 10.6.1 PROGRESSIVE COMPANIES
- 10.6.2 RESPONSIVE COMPANIES
- 10.6.3 DYNAMIC COMPANIES
- 10.6.4 STARTING BLOCKS
- 10.6.5 COMPETITIVE BENCHMARKING: STARTUPS/SMES, 2024
- 10.6.5.1 Detailed list of key startups/SMEs
- 10.6.5.2 Competitive benchmarking of key startups/SMEs
- 10.7 COMPANY VALUATION AND FINANCIAL METRICS
- 10.7.1 FINANCIAL METRICS
- 10.7.2 COMPANY VALUATION
- 10.8 BRAND/PRODUCT COMPARISON
- 10.9 COMPETITIVE SCENARIO
- 10.9.1 PRODUCT LAUNCHES
- 10.9.2 DEALS
- 10.9.3 EXPANSIONS
- 10.9.4 OTHER DEVELOPMENTS
11 COMPANY PROFILES
- 11.1 KEY PLAYERS
- 11.1.1 JOHNSON & JOHNSON SERVICES, INC. (ETHICON, INC.)
- 11.1.1.1 Business overview
- 11.1.1.2 Products offered
- 11.1.1.3 MnM view
- 11.1.1.3.1 Right to win
- 11.1.1.3.2 Strategic choices
- 11.1.1.3.3 Weaknesses and competitive threats
- 11.1.2 MEDTRONIC
- 11.1.2.1 Business overview
- 11.1.2.2 Products offered
- 11.1.2.3 MnM view
- 11.1.2.3.1 Right to win
- 11.1.2.3.2 Strategic choices
- 11.1.2.3.3 Weaknesses and competitive threats
- 11.1.3 BD
- 11.1.3.1 Business overview
- 11.1.3.2 Products offered
- 11.1.3.3 MnM view
- 11.1.3.3.1 Right to win
- 11.1.3.3.2 Strategic choices
- 11.1.3.3.3 Weaknesses and competitive threats
- 11.1.4 B. BRAUN SE
- 11.1.4.1 Business overview
- 11.1.4.2 Products offered
- 11.1.4.3 MnM view
- 11.1.4.3.1 Right to win
- 11.1.4.3.2 Strategic choices
- 11.1.4.3.3 Weaknesses and competitive threats
- 11.1.5 SMITH+NEPHEW
- 11.1.5.1 Business overview
- 11.1.5.2 Products offered
- 11.1.5.3 Recent developments
- 11.1.5.3.1 Expansions
- 11.1.5.3.2 Other developments
- 11.1.5.4 MnM view
- 11.1.5.4.1 Right to win
- 11.1.5.4.2 Strategic choices
- 11.1.5.4.3 Weaknesses and competitive threats
- 11.1.6 COOPERSURGICAL, INC.
- 11.1.6.1 Business overview
- 11.1.6.2 Products offered
- 11.1.7 STRYKER
- 11.1.7.1 Business overview
- 11.1.7.2 Products offered
- 11.1.8 ALCON LABORATORIES, INC.
- 11.1.8.1 Business overview
- 11.1.8.2 Products offered
- 11.1.9 STERIS
- 11.1.9.1 Business overview
- 11.1.9.2 Products offered
- 11.1.9.3 Recent developments
- 11.1.10 PAUL HARTMANN AG
- 11.1.10.1 Business overview
- 11.1.10.2 Products offered
- 11.1.10.3 Recent developments
- 11.1.11 ERBE ELEKTROMEDIZIN GMBH
- 11.1.11.1 Business overview
- 11.1.11.2 Products offered
- 11.1.11.3 Recent developments
- 11.1.11.3.1 Product launches
- 11.1.11.3.2 Expansions
- 11.1.12 KIRWAN SURGICAL PRODUCTS, LLC
- 11.1.12.1 Business overview
- 11.1.12.2 Products offered
- 11.1.13 ASPEN SURGICAL PRODUCTS, INC.
- 11.1.13.1 Business overview
- 11.1.13.2 Products offered
- 11.1.13.3 Recent developments
- 11.1.14 SRR SURGICAL CO.
- 11.1.14.1 Business overview
- 11.1.14.2 Products offered
- 11.1.15 TATA SURGICAL
- 11.1.15.1 Business overview
- 11.1.15.2 Products offered
- 11.2 OTHER COMPANIES
- 11.2.1 DTR MEDICAL LTD.
- 11.2.2 FUHRMANN GMBH
- 11.2.3 HEINZ HERENZ
- 11.2.4 SWANN-MORTON LIMITED
- 11.2.5 PURPLE SURGICAL
- 11.2.6 SURGAID MEDICAL (XIAMEN) CO., LTD.
- 11.2.7 HANGZHOU TONGLU SHIKONGHOU MEDICAL INSTRUMENT CO., LTD.
- 11.2.8 TAKTVOLL
- 11.2.9 TIANJIN ZHICHAO MEDICAL TECHNOLOGY CO., LTD.
- 11.2.10 HANGZHOU SCONOR MEDICAL TECHNOLOGY CO., LTD.
12 APPENDIX
- 12.1 DISCUSSION GUIDE
- 12.2 KNOWLEDGESTORE: MARKETSANDMARKETS' SUBSCRIPTION PORTAL
- 12.3 CUSTOMIZATION OPTIONS
- 12.4 RELATED REPORTS
- 12.5 AUTHOR DETAILS