1. Department of Surgery, Division of Surgical Oncology and Endocrine Surgery, University of North Carolina at Chapel Hill
2. Department of Emergency Medicine, Harbor-UCLA Medical Center, David Geffen School of Medicine at University of California, Los Angeles, Torrance
3. Statistical Editor, JAMA Surgery
4. Division of Digestive Surgery and Urology, Turku University Hospital, Turku, Finland
5. Department of Surgery, University of Turku, Turku, Finland