Response to Yuan and Leontiadis

1 Department of Gastroenterology, Hepatology and Liver Transplant, Columbia University, College of Physicians and Surgeons, New York, New York, USA 2 Internal Medicine, Forest Hills Hospital, Forest Hills, New York, USA Correspondence: P. Patrick Basu, MD, North Shore University Hospital, 5 Station Square, Forest Hills, New York 11375, USA. E-mail: [email protected]