1. Section of Palliative Care, Departments of Internal Medicine and Emergency Medicine, Rush University Medical Center, Chicago, Illinois, USA.
2. Department of Internal Medicine, Division of Palliative Medicine, Mayo Clinic Hospital, Phoenix, Arizona, USA.
3. Department of Medicine, Division of Palliative Care and Geriatric Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.
4. Department of Palliative Medicine, Scripps Health, San Diego, California, USA.
5. Department of Emergency Medicine, New Jersey Medical School, Newark, New Jersey, USA.