Otsuka, Kuniaki
Cornelissen, Germaine
Kubo, Yutaka
Hayashi, Mitsutoshi
Yamamoto, Naomune
Shibata, Koichi
Aiba, Tatsuya
Furukawa, Satoshi
Ohshima, Hiroshi
Mukai, Chiaki
Article History
Received: 15 March 2015
Revised: 28 June 2015
Accepted: 12 October 2015
First Online: 30 November 2015
Competing interests
: The authors declare no conflict of interest.