1. Department of Dermatology Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University Okayama Japan
2. Department of Gastroenterology and Hepatology Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University Okayama Japan
3. Department of Obstetrics and Gynecology Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University Okayama Japan