So Yamada, Shoko M Yamada*, Hiroshi Nakaguchi, Mineko Murakami, Katsumi Hoya, Akira Matsuno, Kazuto Yamazaki and Yasuo Ishida
* Corresponding author: Shoko M Yamada merrityamada@hotmail.co.jp
Journal of Medical Case Reports 2012, 6:104 doi:10.1186/1752-1947-6-104