Is the association of body mass index with opioid use mediated by number of painful joints or depressive symptoms: the multicenter osteoarthritis study. (April 2019) - Carlesso, L.C.; Jafarzadeh, R.; Stokes, A.; Felson, D.; Wang, N.; Segal, N.A.; Frey-Law, L.; Lewis, C.E.; Nevitt, M.; Neogi, T.