Sato, Yoshinori
Hayashi, Kenji
Amano, Yoshiko
Takahashi, Mikiko
Yonemura, Shigenobu
Hayashi, Ikuko
Hirose, Hiroko
Ohno, Shigeo
Suzuki, Atsushi
Article History
Received: 13 April 2014
Accepted: 12 September 2014
First Online: 4 November 2014
Competing interests
: The authors declare no competing financial interests.