1 Division of Metabolism, Endocrinology & Diabetes (MEND), Department of Internal Medicine, Michigan Medicine, Ann Arbor, Michigan; Section of Endocrinology & Metabolism, Medicine Service, VA Ann Arbor Healthcare System, Ann Arbor, Michigan. Electronic address: [email protected].
2 Section of Gastroenterology, Medicine Service, VA Ann Arbor Healthcare System, Ann Arbor, Michigan.