Affiliation: | 1.Department of Internal Medicine, Division of Hematology, Rheumatology and Respiratory Medicine, Faculty of Medicine, Kagawa University, 1750-1, Ikenobe, Miki-cho, Kita-gun, Kagawa, 761-0793, Japan ;2.Department of Perinatology and Gynecology, Faculty of Medicine, Kagawa University, Kagawa, Japan ;3.Department of Hygiene, Faculty of Medicine, Kagawa University, Kagawa, Japan ; |