Nagashima, Kazuki
Koga, Hirotaka
Celano, Umberto
Zhuge, Fuwei
Kanai, Masaki
Rahong, Sakon
Meng, Gang
He, Yong
De Boeck, Jo
Jurczak, Malgorzata
Vandervorst, Wilfried
Kitaoka, Takuya
Nogi, Masaya
Yanagida, Takeshi
Article History
Received: 3 April 2014
Accepted: 13 June 2014
First Online: 2 July 2014
Competing interests
: The authors declare no competing financial interests.