1. VKV American Hospital, Women’s Health Center, İstanbul, Turkey
2. Samsun Training and Research Hospital, Samsun, Turkey
3. Ümraniye Training and Research Hospital, İstanbul, Turkey
4. Bulanık State Hospital, Muş, Turkey
5. Eyüp State Hospital, İstanbul, Turkey
6. Perinatology Clinic, Samsun, Turkey