Itoh, Sadahiko
Zhou, Liang
Funding for this research was provided by:
Health and Labour Sciences Research Grant (H29-Kenki-Ippan-005) from the Ministry of Health, Labour, and Welfare, Japan
Article History
Received: 15 December 2017
Revised: 17 July 2018
Accepted: 25 July 2018
First Online: 2 October 2018
Competing interests
: The authors declare no competing interests.