Gao, Junling
Wang, Jing
Yu, Denglai
Dai, Junming
Zhu, Yongkai
Fu, Hua
Funding for this research was provided by:
the National Natural Science Foundation of China (71573048)
the Key Project of the Fourth-Round Three-Year Plan of Action on Public Health in Shanghai (15GWZK1001)
Article History
Received: 20 February 2018
Accepted: 27 July 2018
First Online: 6 August 2018
Ethics approval and consent to participate
: Ethical approval was obtained from The Institutional Review Board of the School of Public Health, Fudan University.
: Not-applicable.
: Junling Gao is an Associate Editor for BMC Public Health. The authors declare that they have no competing interests.
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