Wang, Dandan
Chen, Haifeng
Wang, Shiying
Zou, Yaohong
Li, Jing
Pan, Jieping
Wang, Xiangdang
Ren, Tianli
Zhang, Yu
Chen, Zhiwei
Feng, Xuebing
Sun, Lingyun
Article History
Received: 5 August 2015
Revised: 5 February 2016
Accepted: 1 April 2016
First Online: 21 April 2016
Compliance with ethical standards
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: The study was supported by the National Natural Science Foundation of China (NO. 81273304, NO. 81401347), Jiangsu Provincial Natural Science Foundation (BK20140098), Jiangsu Provincial Health Department Foundation (Q201411), and The Scientific Research Project of Nanjing Municipal Health Bureau (YKK14067). The authors have no financial/other relationships such as consultancies, employment, expert testimony, honoraria, speakers bureaus, retainers, stock options, or ownership.
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