Authors
Somsook Santibenchakul
Department of Obstetrics and Gynecology, King Chulalongkorn Memorial Hospital, Bangkok, Thailand
Department of Public Health Sciences, University of Hawai’i at Manoa, Honolulu, USA
Unnop Jaisamrarn
Department of Obstetrics and Gynecology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand