Xiao, Wen-jun
Zhu, Yu
Zhu, Yao
Dai, Bo
Ye, Ding-wei
Funding for this research was provided by:
Shanghai Municipal Health Bureau (20164Y0256)
Article History
Received: 17 August 2017
Accepted: 8 January 2018
First Online: 25 January 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The authors declare that the manuscript has not been submitted to more than one journal for simultaneous consideration. It has not been published previously (party or full). No data have been fabricated or manipulated to support the conclusions. Authors whose names appear on the submission have contributed sufficiently to the scientific work.