[1] Massachusetts General Hospital,Wellman Center for Photomedicine, Harvard Medical School
[2] Massachusetts General Hospital,Gastroenterology Division
[3] University Hospital,Department of Gastroenterology and Hepatology, Digestive Diseases Institute
[4] Massachusetts General Hospital,Department of Pathology
[5] The Emory Clinic,Digestive Diseases, Interventional Endoscopy, Emory University School of Medicine
[6] Inc.,undefined