Corresponding author
Akinori Yaguchi, Department of Pediatrics, Juntendo University Faculty of Medicine,
2-1-1, Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
Tel: +81-(0)3-3813-3111
Fax: +81-(0)3-5800-0216
E-mail: ayaguchi@juntendo.ac.jp