1 Center for Biomedical Ethics and Society, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA. Ellen.clayton@vumc.org.
2 School of Law, Vanderbilt University, Nashville, TN, USA. Ellen.clayton@vumc.org.
3 Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA.
4 Departments of Pediatrics and Medicine, Columbia University Irving Medical Center, New York, NY, USA.
5 Sandra Day O'Connor School of Law, Arizona State University, Tempe, AZ, USA.
6 University of Houston Law Center, Houston, TX, USA.
7 University of Houston College of Medicine, Houston, TX, USA.
8 University of Florida Levin College of Law, Gainesville, FL, USA.
9 University of Florida Wertheim College of Engineering, Gainesville, FL, USA.