Dong, Su-Zhen http://orcid.org/0000-0002-9519-3057
Zhu, Ming http://orcid.org/0000-0002-8230-5451
Funding for this research was provided by:
National Natural Science Foundation of China (81101032, 81571628, 30970795)
Shanghai Municipal Health Bureau (201540048)
Article History
Received: 22 January 2018
Accepted: 19 September 2018
First Online: 3 October 2018
Competing Interests
: The authors declare no competing interests.