Helena J Teede, Marie L Misso, Jacqueline A Boyle, Rhonda M Garad, Veryan McAllister, Linda Downes, Melanie Gibson-Helm, Roger J Hart, Luk Rombauts, Lisa Moran, Anuja Dokras, Joop Laven, Terhi Piltonen, Raymond J Rodgers, Mala Thondan, Michael F Costello and Robert J Norman, on behalf of the International PCOS Network