1. A Clinic For Women, Mt Alvernia Hospital, Singapore, Singapore;
2. Department of Obstetrics and Gynecology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand;
3. Department of Obstetrics and Gynecology, Chiayi Chang Gung Memorial Hospital, Chiayi County, Taiwan;
4. Medical College, Chang Gung University, Taoyuan, Taiwan;
5. Obstetrics and Gynecology, Pantai Hospital Cheras, Kuala Lumpur, Malaysia;
6. Department of Obstetrics and Gynecology, Dr Cipto Mangunkusumo General Hospital, Jakarta, Indonesia;
7. Shionogi Inc., Florham Park, NJ, USA;
8. Department of Obstetrics and Gynecology, Chang Gung University and Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan