Affiliation: | 1. Department of Health Policy and Management, School of Public Health and Health Sciences, University of Massachusetts, Amherst, MA, 01003 USA;2. EviMed Research Group, LLC, Post Office Box 303, Goshen, MA 01032, USA;3. Division of Pulmonary and Critical Care Medicine, Room 2a_68, Washington Hospital Center, 110 Irving Street, Northwest, Washington, DC 20010, USA;4. Georgetown University School of Medicine, Washington, DC, 20010 USA |