1 Robert Wood Johnson Clinical Scholars Program, Department of Orthopaedic Surgery, University of Michigan, Ann Arbor Veterans Administration Hospital, 2800 Plymouth Rd, Building 10, RM G016, Ann Arbor, MI 48109, USA. Electronic address: ajschoen@neomed.edu.
2 Robert Wood Johnson Clinical Scholars Program, Department of Internal Medicine, Division of General Medicine, University of Michigan, 2800 Plymouth Rd, Building 10, RM G016, Ann Arbor, MI 48109, USA.