Mitsutake, Norisato
Fukushima, Toshihiko
Matsuse, Michiko
Rogounovitch, Tatiana
Saenko, Vladimir
Uchino, Shinya
Ito, Masahiro
Suzuki, Keiji
Suzuki, Shinichi
Yamashita, Shunichi
Article History
Received: 1 September 2015
Accepted: 22 October 2015
First Online: 20 November 2015
Competing interests
: The authors declare no competing financial interests.