Ge, Yihui
Liu, Cong
Niu, Yue
Chen, Chen
Wang, Weibing
Lin, Zhijing
Chen, Renjie http://orcid.org/0000-0002-9448-0820
Cai, Jing
Kan, Haidong
Funding for this research was provided by:
3-Year Public Health Action Plan of Shanghai (15GWZK0202, GWTD2015S04)
Article History
Received: 20 June 2018
Revised: 13 August 2018
Accepted: 20 September 2018
First Online: 27 October 2018
Compliance with ethical standards
: The Institutional Review Board at the School of Public Health, Fudan University (Shanghai, China), approved the study protocol (No. 2014-07-0523) with a waiver of informed consent.
: The authors declare that they have no conflict of interest.