1. Department of Physiology and Neurobiology and Institute for Systems Genomics, University of Connecticut, Storrs, CT
2. Department of Diabetes Complications and Metabolism, Diabetes and Metabolism Research Institute, Beckman Research InstituteCity of Hope National Medical CenterDuarte CA
3. Veterans Affairs Connecticut Healthcare SystemWest Haven CT
4. Department of Internal Medicine, Section of Digestive DiseasesYale UniversityNew Haven CT