1. Department of Surgery, University at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY
2. Division of Health Services Policy and Practice, Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY
3. Department of Surgery, Mayo Clinic, Rochester, MN
4. Department of Surgery, Stanford University, Stanford, CA
5. Department of Surgery, University of California San Diego, San Diego, CA
6. Department of Surgery, University of Utah, Salt Lake City, UT
7. Department of Surgery, Washington University in St. Louis, St. Louis, MO
8. Louisiana State University Health Sciences Center, Louisiana State University, New Orleans, LA
9. Department of Surgery, Carilion Clinic– Virginia Tech Carilion School of Medicine, Roanoke, VA.