1. New York Obesity Nutrition Research Center, St. Luke’s Roosevelt Hospital Center, New York, NY 10025, USA.
2. Columbia University College of Physicians and Surgeons, New York, NY 10032, USA.
3. Department of Biostatistics, Columbia University, New York, NY 10032, USA.
4. Division of Minimally Invasive Surgery, St. Luke’s Roosevelt Hospital Center, New York, NY 10025, USA.
5. Sarah W. Stedman Nutrition and Metabolism Center, Duke University Medical Center, Durham, NC 27704, USA.
6. Department of Medicine, Duke University Medical Center, Durham, NC 27710, USA.
7. Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC 27710, USA.