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Additionally, Dr. Kolachalama has needed statistical expertise.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Statistics and biometry"}},{"value":"Written informed consent was not required for this study because de-identified data is publicly available (Osteoarthritis Initiative:\n                      \n                      ). At the time of enrollment, informed consent and ethical committee approvals were obtained by the OAI investigators.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}},{"value":"Institutional Review Board approval was not required because the data was obtained from a public database (Osteoarthritis Initiative:\n                      \n                      ).","order":6,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"The cohort has been reported in\n                      \n                      .","order":7,"name":"Ethics","group":{"name":"EthicsHeading","label":"Study subjects or cohorts overlap"}},{"value":"\u2022 This is a case-control study.","order":8,"name":"Ethics","group":{"name":"EthicsHeading","label":"Methodology"}}]}}