1. Department of General Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic Center for Abdominal Core Health, The Cleveland Clinic Foundation, Cleveland, Ohio
2. Department of General Surgery, Digestive Disease and Surgery Institute, Cleveland Clinic Florida, Weston Hospital, Weston
3. Department of General Surgery, Fairview Hospital, Cleveland, Ohio
4. Department of General Surgery, Marymount Hospital, Garfield Heights, Ohio
5. Department of General Surgery, Hillcrest Hospital, Mayfield Heights, Ohio
6. Department of General Surgery, University of Texas Medical Branch, Galveston
7. Department of General Surgery, MetroHealth System, Cleveland, Ohio