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

Division of Pancreatic Surgery, Department of General Surgery, Qilu Hospital of Shandong University, Jinan, China

Department of Surgery, School of Medicine and Health Science, Taylor's University, Subang Jaya, Malaysia

Department of Physiology and Environmental Health, University of Limpopo, Sovenga, South Africa

Department of General Suregry, Cairo University, Cairo, Egypt

Surgical Gastroenterology and Liver Transplantation, All India Institute of Medical Sciences, Patna, India

Department of Pediatric Surgery, Mashhad University of Medical Sciences, Mashhad, Iran

Department of General Surgery, Fuclty of Medicine, Mansoura University, Mansoura, Egypt

Department of Surgery, Division of Cardiac, Thoracic, and Vascular, Sardjito Hospital, Sleman, Indonesia

Department of NICU, Mufti Mehmood Memorial Teaching Hospital / Gomal Medical College, Dera Ismail Khan, Pakistan