1. The Wolfson Centre for Personalised Medicine, Department of Molecular & Clinical Pharmacology, Institute of Translational Medicine, University of Liverpool, Block A, Waterhouse Buildings, 1–5 Brownlow Street, Ashton Street, Liverpool, L69 3GL, UK
2. Gynuity Health Projects, NY, USA
3. Department of Women's & Children's Health, University of Liverpool, Liverpool Women's Hospital, Liverpool, UK
4. Hospital Gineco-Obstétrico Isidro Ayora, Av Colombia N14-66 y Sodiro Quito, Ecuador