Affiliation: | (1) Department of Obstetrics and Gynaecology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand;(2) Department of Obstetrics and Gynecology, Glostrup County Hospital, University of Copenhagen, Glostrup, Denmark;(3) Universidade Estadual de Campinas, Sao Paulo, Brazil;(4) Faculty of Medicine, University of Buenos Aires, Buenos Aires, Argentina;(5) Department of Medicine/Division of Biostatistics and Epidemiology, Medical University of South Carolina, Charleston, SC, USA;(6) Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, SC, USA |