He is Dr. Chamberlain has authored several publications. He is Editorial Board member of several Journals like 1. Associate Editor Gastroenterology Research, 2008-Present. 2. Editorial Board of World Journal of Gastrointestinal Endoscopy, 2009-Present. 3. Reviewer (manuscripts) for Digestive Diseases and Sciences, 2006-Present. 4. Reviewer for American College of Gastroenterology Annual Meeting-Clinical Vignette Section, 2006-Present 5. Reviewer for Drugs, 2007-Present 6. Reviewer for Drugs & Aging, 2009-Present 7. Editorial Board of Gastrointestinal & Digestive System, 2011-Present 8. Reviewer for Practical Gastroenterology, 2011-Present 9. Editorial Board of Journal of Gastroenterology and Hepatology Review, 2011-Present 10. Reviewer for the Journal of the American Board of Family Medicine, 2012 11. Executive Editor Gastrointestinal & Digestive System, 2012.