Funding for this research was provided by:
Office of Academic Affiliations, Department of Veterans Affairs
U.S. Department of Veterans Affairs (IIR-12-118, CIN-13-407, IIR-16-262)
National Institutes of Health (5U24AT009769-03)
Palmer College Foundation
Received: 18 February 2020
Accepted: 2 July 2020
First Online: 17 July 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of the VA Connecticut Healthcare System, under continuing review of the Musculoskeletal Diagnosis Cohort Study (#0005, PI: Goulet, Brandt).
: Not Applicable.
: The authors declare that they have no competing interests.