1. Gastroenterology and Hepatology, Mount Sinai West & Mount Sinai St. Luke's Hospitals, New York, NY, USA
2. Gastroenterology and Hepatology, Hahnemann University Hospital, Philadelphia, PA, USA
3. Gastroenterology, Temple University Hospital, Philadelphia, PA, USA
4. Gastroenterology, SUNY Upstate Medical University, Syracuse, NY, USA
5. Gastroenterology, University of Rochester Medical Center, Rochester, NY, USA
6. Gastroenterology, New York University Langone Medical Center, New York, NY, USA
7. United Surgery Center, Murrieta, CA
8. Endo-Surgical Center of Florida, Orlando, FL
9. Dothan Surgery Center, Dothan, AL
10. Citrus Surgical Center, Orlando, FL
11. Texoma Medical Center, Denison, TX
12. Metropolitan Gastroenterology Associates, Marrero, LA
13. Access Surgery Center, Egg Harbor Township, NJ
14. Regional Medical Center, Anniston, AL
15. West Bank Surgery Center, Harvey, LA
16. Citrus Endoscopy Center, Crystal River, FL
17. Midwest Physicians Surgery Center, Lees Summit, MO
18. Lafayette General Endoscopy Center, Lafayette, LA
19. Gastroenterology Group AMC, Slidell, LA
20. Specialty Surgery Center, Irvine, CA
21. Lubbock Digestive Disease Associates, Lubbock, TX
22. Gastroenterology Group AMC, Covington, LA
23. North Houston Endoscopy and Surgery, Houston, TX
24. La Peer Surgery Center, Beverly Hills, CA
25. North Texas Gastroenterology Consultants, Denton, TX
26. Gastroenterology Consultants, San Antonio, TX
27. Suncoast Endoscopy Center, Inverness, FL