1. Exeltis Europe, Ismaning, Germany
2. The Royal Thai College of Obstetricians and Gynaecologists, Bangkok, Thailand
3. Department of Obstetrics and Gynaecology, Faculty of Medicine, Unit of Gynaecologic Infectious Diseases and Female Sexually Transmitted Infections, Siriraj Hospital, Mahidol University, Bangkok, Thailand
4. Instituto Palacios, Salud y Medicina de la Mujer, Madrid, Spain