Khan, K. Rada, M. Elfituri, A. Betschart, C. Falconi, G. Haddad, J.M. Doumouchtsis, S.K. CHORUS: An International Collaboration for Harmonising Outcomes, Research Standards in Urogynaecology Women's Health (i-chorus.org)[Formula presented], Outcome reporting in trials on conservative interventions for pelvic organ prolapse: A systematic review for the development of a core outcome set, European Journal of Obstetrics and Gynecology and Reproductive Biology, (268), 100-109, 2022, Elsevier Ireland Ltd,