1. Center for Biomedical Ethics
2. Department of Radiology
3. Program in Neuroscience
4. National Institute of Neurological Disorders and Stroke
5. National Institute on Drug Abuse
6. National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA.
7. Department of Pediatrics, Stanford University, Palo Alto, CA 94304, USA.
8. Department of Bioethics, Cleveland Clinic Foundation, Cleveland, OH 44195, USA.
9. Legal Department, Johns Hopkins Hospital and Health System, Washington, DC 20005, USA.
10. Department of Bioethics, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
11. Michigan Head and Spine Institute, Southfield, MI 48075, USA.
12. Law School, Medical School, and Center for Bioethics, University of Minnesota, Minneapolis, MN 55455, USA.
13. Names and affiliations are provided in the Supporting Online Material.