Umeyama, Tomokazu
Baek, Jinseok
Sato, Yuta
Suenaga, Kazu
Abou-Chahine, Fawzi
Tkachenko, Nikolai V.
Lemmetyinen, Helge
Imahori, Hiroshi
Article History
Received: 16 March 2015
Accepted: 5 June 2015
First Online: 15 July 2015
Competing interests
: The authors declare no competing financial interests.