Mao, Ying
Zhang, Ning
Liu, Jinlin
Zhu, Bin
He, Rongxin
Wang, Xue
Funding for this research was provided by:
China Medical Board (10–029)
National Office for Philosophy and Social Sciences (17ZDA079)
Article History
Received: 14 May 2018
Accepted: 5 August 2019
First Online: 2 September 2019
Ethics approval and consent to participate
: Not applicable
: Not applicable
: The authors declare that they have no competing interests.