1. Department of Obstetrics and Gynaecology National University Hospital Singapore Singapore
2. Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine National University of Singapore Singapore
3. Mater Research Institute‐University of Queensland South Brisbane Queensland Australia
4. Faculty of Medicine The University of Queensland Herston Queensland Australia
5. Department of Obstetrics & Gynaecology, Faculty of Medicine Universidad de los Andes Santiago Chile
6. Department of Reproductive Medicine KK Women's and Children's Hospital Singapore
7. Academic Clinical Program in Obstetrics and Gynaecology Duke‐NUS Medical School Singapore
8. Infectious Diseases Translational Research Programme, Department of Medicine, Yong Loo Lin School of Medicine National University of Singapore Singapore
9. School of Medicine College of Medicine, National Taiwan University Taipei Taiwan