1. From King Chulalongkorn Memorial Hospital, Bangkok, Thailand (Noppadol Chaiyasit)
2. The Chinese University of Hong Kong, Hong Kong SAR (D.S.S., Y.M.I.W., S.Y.A.H., L.C.P.)
3. First Affiliated Hospital of Kunming Medical University, Kunming, China (R.M.)
4. National University Hospital, Singapore (M.C.)
5. Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand (T.W.)
6. KK Women’s and Children’s Hospital, Singapore (W.S.S.)
7. and Department of Obstetrics and Gynecology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand (P.C.).