[1
]University of California, Los Angeles and VA Greater Los Angeles Health Care System
Los Angeles California
[2
]University of Auckland Auckland New Zealand
[3
]University of Nebraska Medical Center and VA Nebraska–Western Iowa Health Care System
Omaha Nebraska
[4
]McMaster University Hamilton Ontario Canada
[5
]New York University School of Medicine New York City New York
[6
]Johns Hopkins University Baltimore Maryland
[7
]University of Massachusetts Medical SchoolWorcester Massachusetts, and Corrona Waltham
Massachusetts
[8
]University of Michigan Ann Arbor
[9
]North Mississippi Medical Center Tupelo
[10
]Kaiser Permanente Downey California
[11
]Boston University School of Medicine Boston Massachusetts
[12
]VA Boston Healthcare System Boston Massachusetts
[13
]Medical College of Wisconsin Milwaukee
[14
]University of Alabama at Birmingham and Birmingham Veterans Affairs Medical Center
Birmingham
[16
]Florida State University College of Medicine School of Physician Assistant Practice
Tallahassee
[17
]University of California Los Angeles
[18
]Yale University New Haven Connecticut
[19
]University of MichiganVA Ann Arbor Healthcare System Ann Arbor
[20
]Brigham and Women’s HospitalHarvard Medical School Boston Massachusetts
[21
]University of Kentucky Lexington
[22
]US Department of Veterans Affairs Manchester New Hampshire
[23
]Mount Auburn Hospital Cambridge Massachusetts
[24
]Allegheny Health Network Pittsburgh Pennsylvania
[25
]American College of Rheumatology Atlanta Georgia