Hagihara, Koji
Nakano, Takayoshi
Maki, Hideaki
Umakoshi, Yukichi
Niinomi, Mitsuo
Article History
Received: 6 May 2016
Accepted: 23 June 2016
First Online: 15 July 2016
Change Date: 16 August 2016
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper.
Competing interests
: The authors declare no competing financial interests.