1. Department of Psychiatry and Human Behavior Weight Control and Diabetes Research Center The Miriam Hospital/Brown Alpert Medical School Providence Rhode Island USA
2. Department of Psychiatry and Behavioral Sciences University of Southern California Los Angeles California USA
3. Department of Surgery Cambridge Health Alliance Cambridge Massachuetts USA
4. Department of Surgery Brown Alpert Medical School Providence Rhode Island USA
5. Department of Surgery Beth Israel Deaconess Medical Center Boston Massachusetts USA