Yang, Yan
Wang, Yan
Gao, Ping-jin
Funding for this research was provided by:
National Natural Science Foundation of China (81400179)
Shanghai Municipal Health Bureau (201440530)
Article History
Received: 19 March 2019
Revised: 27 June 2019
Accepted: 5 July 2019
First Online: 2 September 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.