Corresponding author:
Name: Yuki Otsuka, M.D.
Affiliation: Department of General Medicine, Okayama University Graduate
School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama,
Japan
Mailing address: 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
Phone number: +81-86-235-7342, Fax number: +81-86-235-7345
E-mail address: otsuka@s.okayama-u.ac.jp