Funding for this research was provided by:
National Institute of Arthritis and Musculoskeletal and Skin Diseases (RO1 AR49772)
Received: 5 December 2019
Accepted: 3 March 2020
First Online: 19 March 2020
Ethics approval and consent to participate
: The PROMISSE study was approved by the ethical committee of the Institutional Review Board of recruitment sites. The reference number for the study is ClinicalTrials.gov identifier NCT00198068.
: An informed consent to participate in the PROMISSE study was obtained from all participants.
: The authors declare that they have no competing interests.