| Affiliation: | 1. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Indiana University, 1120 W Michigan Street, Indianapolis, IN 46202, USA;2. Charles Warren Fairbanks Center for Medical Ethics, IU Health Methodist Hospital, 1701 North Senate Boulevard, Indianapolis, IN 46202, USA;3. Palliative Care, Indiana University Health, Indianapolis, IN, USA;1. Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 Cedar Street, TAC-441 South, PO Box 208057, New Haven, CT 06520-8057, USA;2. Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Washington University School of Medicine, 660 South Euclid Avenue, St Louis, MO 63110, USA;1. Division of Pulmonary and Critical Care Medicine, Washington University School of Medicine, St. Louis, MO |
