Kuroda, Reiko
Fujikura, Kohei
Abe, Masanori
Hosoiri, Yuji
Asakawa, Shuichi
Shimizu, Miho
Umeda, Shin
Ichikawa, Futaba
Takahashi, Hiromi
Article History
Received: 12 July 2016
Accepted: 16 September 2016
First Online: 6 October 2016
Competing interests
: The authors declare no competing financial interests.