Shinya, Tomonori
Hojo, Yuko
Desaki, Yoshitake
Christeller, John T.
Okada, Kazunori
Shibuya, Naoto
Galis, Ivan
Article History
Received: 16 May 2016
Accepted: 10 August 2016
First Online: 1 September 2016
Competing interests
: The authors declare no competing financial interests.