Institution: | (1) Department of Internal Medicine, University of Michigan Medical School, 109 Zina Pitcher Drive, Ann Arbor, MI 48109, USA;(2) Department of Internal Medicine, Northwestern University Feinberg School of Medicine, University of Michigan Medical School, 240 E. Huron, Chicago, IL 60611, USA;(3) Department of Internal Medicine, Ann Arbor Veteran's Administration, 2215 Fuller Road, Ann Arbor, MI 48109, USA |