1. Gangnam Women’s Hospital, Suwon, Republic of Korea
2. Department of Obstetrics and Gynecology, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Suwon, Republic of Korea
3. Department of Biostatistics, Yonsei University College of Medicine, Seoul, Republic of Korea
4. Yonsei Seran Dermatology and Laser Clinic, Seoul, Republic of Korea