1 Center for Medical Ethics and Health Policy, Baylor College of Medicine, Houston, TX; Bioethics Program, Houston Methodist Hospital, Houston, TX. Electronic address: crbruce@bcm.edu.
2 Center for Medical Ethics and Health Policy, Baylor College of Medicine, Houston, TX; Department of Medicine, Baylor College of Medicine, Houston, TX.
3 Center for Medical Ethics and Health Policy, Baylor College of Medicine, Houston, TX; Bioethics Program, Houston Methodist Hospital, Houston, TX.
4 Center for Medical Ethics and Health Policy, Baylor College of Medicine, Houston, TX; Bioethics Program, Houston Methodist Hospital, Houston, TX; Section of Emergency Medicine, Department of Medicine, Baylor College of Medicine, Houston, TX.