Daniel E Shumer1, Lisa H Harris2, Valerie P Opipari3. 1. Department of Pediatrics and Communicable Diseases, Division of Pediatric Endocrinology, University of Michigan, Ann Arbor, MI. Electronic address: dshumer@med.umich.edu. 2. Department of Obstetrics and Gynecology, Department of Women's Studies, University of Michigan, Ann Arbor, MI. 3. Department of Pediatrics and Communicable Diseases, University of Michigan, Ann Arbor, MI.