1. Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA
2. Maternal-Fetal Medicine Fellowship Program, University of California San Francisco, San Francisco, CA, USA
3. Department of Medicine, Henry D. Janowitz Division of Gastroenterology, Mount Sinai Hospital, New York, NY, USA
4. Department of Obstetrics and Gynecology, NewYork-Presbyterian/Columbia University Irving Medical Center, New York, NY, USA
5. Department of General Medicine, NewYork-Presbyterian/Columbia University Irving Medical Center, New York, NY, USA