Department of General Surgery, University of Nebraska Medical Center, Omaha, United States

Department of Surgery, Thomas Jefferson University Hospital, Philadelphia, United States

Digestive Surgery Unit, University of Florence, Florence, Italy

Norton Thoracic Institute, St Joseph’s Hospital and Medical Center, Phoenix, United States

World Surgical Infection Society, Dallas, United States

Department of Surgery, University of Pittsburgh, Pittsburgh, United States

Wu Jieping Urology Center, Shougang Hospital, Peking University, Beijing, China

Department of General Surgery, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China

Department of Shanghai East Hospital/Thoracic Surgery, Tongji University, Shanghai, China

Department of Orthopaedics and Traumatology, University of Health Sciences Sanliurfa Mehmet Akif Inan Training and Research Hospital, Sanliurfa, Turkey

Department of Clinical Surgery, Bahiana School of Medicine and Public Health, Salvador, Brazil

Cafam Santa Barbara Clinic, Sanitas University Foundation, Bogota, Colombia

Department of Government Health Punjab, Faisalabad Medical University Faisalabad, Faisalabad, Pakistan

Department of Pediatric Surgery, Rajendra Institute of Medical Sciences, Ranchi, India

Department of Plastic and Reconstructive Surgery, Iranshahr University of Medical Sciences, Chabahar, Iran

Department of General Surgery, Faculty of Medicine, Minia University, Minia, Egypt

Department of Plastic Surgery, Saraiya Plastic Surgery and Burns Hospital, Gujarat Cancer and Research Institute, Ahmedabad, India

Department of Surgery, Aga Khan University Hospital, Karachi, Pakistan

Division of Plastic and Reconstructive Surgery, Shubra General Hospital, Ministry of Health and Population, Cairo, Egypt