| Institution: | 1. Department of Medicine Dartmouth Medical School , Hanover and Lebanon, New Hampshire, USA;2. Department of Medicine Dartmouth Medical School , Hanover, New Hampshire, USA;3. Department of Medicine Wake Forrest , University School of Medicine , Winston-Salem, North Carolina, USA;4. Department of Medicine Georgetown , University School of Medicine , Washington, DC, USA;5. Department of Medicine , Oregon Health Sciences University , Portland, Oregon, USA;6. Department of Family Medicine and Public Health and Preventive Medicine , Oregon Health Sciences University , Portland, Oregon, USA |
