1 Global Centre for Asian Women's Health (GloW), Yong Loo Lin School of Medicine, National University of Singapore, Singapore City, Singapore.
2 Bia-Echo Asia Centre for Reproductive Longevity and Equality (ACRLE), Yong Loo Lin School of Medicine, National University of Singapore, Singapore City, Singapore.
3 Department of O&G, Yong Loo Lin School of Medicine, National University of Singapore, Singapore City, Singapore.