Funding for this research was provided by:
health development planning commission of Changning qu in Shanghai (20164Y003)
Project supported by National Natural Science Foundation of China (81501897)
scientific research funds of shanghai Tongren hospital (TRYJ201605)
Text and Data Mining valid from 2018-04-12
Received: 26 August 2017
Accepted: 4 April 2018
First Online: 12 April 2018
Ethics approval and consent to participate
: The experimental protocol was established, according to the ethical guidelines of the Helsinki Declaration and was approved by the Human Ethics Committee of Tongren Hospital, Shanghai Jiao Tong University School of Medicine. Written informed consent was obtained from individual or guardian participants.
: The authors declare that they have no competing interests.
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