1. The 2nd Department of Internal Medicine, Mie University School of Medicine, Edobashi Tsu City, Mie Ken, Japan
2. The Department of Gynecology, Mie University School of Medicine, Edobashi Tsu City, Mie Ken, Japan
3. The College of Medical Science, Mie University School of Medicine, Edobashi Tsu City, Mie Ken, Japan