Yin, Deqiang http://orcid.org/0000-0001-7631-4020
Chen, Chunlin http://orcid.org/0000-0003-1985-1940
Saito, Mitsuhiro
Inoue, Kazutoshi
Ikuhara, Yuichi http://orcid.org/0000-0003-3886-005X
Article History
Received: 9 February 2018
Accepted: 1 November 2018
First Online: 10 December 2018
Competing interests
: The authors declare no competing interests.