Affiliation: | 1. Warren Alpert Medical School, Brown University, Providence, Rhode Island;2. Memorial Hospital of Rhode Island, Pawtucket, Rhode Island;3. Department of Health Services, Policy and Practice, School of Public Health, Brown University, Providence, Rhode Island;4. University Hospitals—Case Medical Center, Cleveland, Ohio;5. Medical School, Case Western Reserve University, Cleveland, Ohio;6. Providence Veteran's Administration Medical Center, Providence, Rhode Island |