1. Department of Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
2. Department of Medicine, Assistant Dean for Academic Affairs, Texas A&M Health Science Center, Round Rock, TX, USA
3. Senior Associate Dean for Undergraduate Medical Education, The University of Texas at Austin, Dell Medical School, Austin, TX, USA
4. Departments of Pediatrics and Medical Ethics, Baylor College of Medicine, Houston, TX, USA