Kanazawa, Toru
Amemiya, Tomohiro
Ishikawa, Atsushi
Upadhyaya, Vikrant
Tsuruta, Kenji
Tanaka, Takuo
Miyamoto, Yasuyuki
Article History
Received: 27 October 2015
Accepted: 10 February 2016
First Online: 1 March 2016
Competing interests
: The authors declare no competing financial interests.