1 Department of Obstetrics & Gynecology, Stellenbosch University, Stellenbosch, South Africa.
2 Department of Obstetrics & Gynecology, Amsterdam University Medical Center, Amsterdam, Netherlands.
3 Department of Obstetrics and Gynecology, Monash University, Clayton, VIC 3168, Australia; Department of Medical Sciences and Nutrition, School of Medicine, University of Aberdeen, Aberdeen, UK. Electronic address: ben.mol@monash.edu.
4 Department of Obstetrics and Gynecology, Mount Sinai Hospital, Toronto, ON, Canada; Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON, Canada.
5 Executive Office, University of Nottingham, Nottingham, UK.
6 Department of Obstetrics & Gynecology, University of Campinas, Campinas, Brazil.
7 Department of Obstetrics and Gynecology, Monash University, Clayton, VIC 3168, Australia.
8 Department of Obstetrics and Gynecology, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China.
9 Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center and Parkland Health, Dallas, TX, USA.
10 Usher Institute, University of Edinburgh, Edinburgh, UK.
11 Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK.
12 Institute of Metabolism and Systems Research, University of Birmingham, Birmingham, UK; Department of Obstetrics & Gynecology, University of Melbourne, Melbourne VIC, Australia.
13 Department of Midwifery Science, University of Amsterdam, Amsterdam, Netherlands; Midwifery Academy, Amsterdam Groningen, Amsterdam, Netherlands; Amsterdam Public Health Research Institute, Quality of Care, Amsterdam, Netherlands; Department of General Practice & Elderly Care Medicine, University of Groningen, University Medical Center Groningen, Groningen, Netherlands; Division of Midwifery, School of Health Sciences, University of Nottingham, Nottingham, UK; Department of Obstetrics and Gynaecology, Maxima Medical Centre, Veldhoven, Netherlands.
14 Department of Obstetrics and Gynecology, University of Medicine and Pharmacy Ho Chi Minh, Ho Chi Minh, Viet Nam.
15 Department of Obstetrics & Gynecology, University of Melbourne, Melbourne VIC, Australia.
16 Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China.