1. Division of Interventional Oncology and Surgical Endoscopy, Parkview Cancer Institute, Fort Wayne, IN
2. Karsh Division of Gastroenterology and Hepatology, Cedars-Sinai Medical Center, Los Angeles, CA
3. Gastroenterology and Hepatology Section, Baylor College of Medicine Medical Center, Houston, TX
4. Division of Gastroenterology, Texas Tech University Health Sciences Center at El Paso, El Paso, TX
5. US Biotest, Inc, San Luis Obispo, CA
6. Department of Surgery, Indiana University, Indianapolis, IN