Demographic, psychosocial factors, musculoskeletal pain and prescription opioid use in community-based middle-aged women - a prospective cohort study. Issue 1 (April 2020) - Hussain, S.; Wang, Y.; Peeters, G.; Wluka, A.E.; Mishra, G.D.; Teede, H.; Urquhart, D.; Brown, W.J.; Cicuttini, F.M.