1. University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA.
2. Mount Sinai Hospital, New York, New York, USA.
3. UC Davis Medical Center, Sacramento, California, USA.
4. NYU Langone Health, New York, New York, USA.
5. John J. Lynch, MD Center for Ethics, Medstar Washington Hospital Center, Washington, District of Columbia, USA.
6. Georgetown University School of Medicine, Washington, District of Columbia, USA.