Correspondence: Address correspondence to: David A. Katzka, MD, Columbia University Medical Center, Department of Medicine Division of Digestive and Liver Diseases, Presbyterian Hospital, 622 West 168th Street, 4th Floor, Suite 478, New York, New York 10032.; Department of Medicine Division of Digestive and Liver Diseases, Columbia University Medical Center, Presbyterian Hospital, New York, New York
Vinod K. Rustgi
Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey
Shanthi Srinivasan
Division of Digestive Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia