1. Department of Infectious Diseases, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho,
Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan
2. Department of Molecular Gastroenterology and Hepatology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan
3. Department of Forensic Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho,
Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, Japan