1. Department of Obstetrics and Gynecology, University of Michigan Medical School, Ann Arbor
2. Center for Bioethics and Social Sciences in Medicine, University of Michigan Medical School, Ann Arbor
3. Department of Medical Ethics and Health Policy, Perelman School of Medicine, University of Pennsylvania, Philadelphia
4. Department of Otolaryngology–Head and Neck Surgery, University of Michigan Medical School, Ann Arbor