[1
]Veterans Affairs Palo Alto Health Care System, Palo Alto, California
[2
]Stanford University, Stanford, California
[3
]Feinstein Institute for Medical Research, Northwell Health, Manhasset, New York
[4
]Fairfax Family Practice Residency, Fairfax, Virginia
[5
]Virginia Commonwealth University, Richmond
[6
]Harvard Medical School, Boston, Massachusetts
[7
]University of California, San Francisco
[8
]Oregon Health & Science University, Portland
[9
]Mayo Clinic, Rochester, Minnesota
[10
]Virginia Tech Carilion School of Medicine, Roanoke
[11
]Temple University, Philadelphia, Pennsylvania
[12
]University of Alabama at Birmingham
[13
]University of California, Los Angeles
[14
]University of Massachusetts Medical School, Worcester
[15
]Boston University, Boston, Massachusetts
[16
]Northwestern University, Evanston, Illinois
[17
]University of Hawaii, Honolulu
[18
]Pacific Health Research and Education Institute, Honolulu, Hawaii
[19
]Tufts University School of Medicine, Boston, Massachusetts