1. Papanicolaou Cytology Laboratory, Department of Pathology & Laboratory Medicine; New York-Presbyterian Hospital, Weill Cornell Medical College; New York New York
2. Division of Gastroenterology and Hepatology, Department of Medicine; New York-Presbyterian Hospital, Weill Cornell Medical College; New York New York
3. Liver Transplantation and Hepatobiliary Surgery, New York-Presbyterian Hospital, Weill Cornell Medical College; New York New York
4. Weill Cornell Medical College in Qatar; Doha Qatar