1. Department of Laboratory Medicine, Asan Medical Center University of Ulsan College of Medicine Seoul Korea
2. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Samsung Changwon Hospital Sungkyunkwan University School of Medicine Changwon‐Si Korea
3. Department of Laboratory Medicine Kangwon National University School of Medicine Chuncheon Korea
4. Department of Obstetrics and Gynecology, Asan Medical Center University of Ulsan College of Medicine Seoul Korea
5. Department of Surgery, Asan Medical Center University of Ulsan College of Medicine Seoul Korea
6. Department of Oncology, Asan Medical Center University of Ulsan College of Medicine Seoul Korea