1. Division of Pulmonary, Allergy, and Critical Care Medicine, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA.
2. Pastoral Care and Education Department, NewYork-Presbyterian/Columbia University Irving Medical Center, New York, New York, USA.
3. Department of Anesthesiology, Columbia University Vagelos College of Physicians and Surgeons, New York, New York, USA.
4. Center for Research and Health Analytics, Ohio State University College of Nursing, Columbus, Ohio, USA.