Funding for this research was provided by:
National Natural Science Foundation of China (81873958, 81501714)
Thirteenth-Fifth Mega-Scientific Projects (2017ZX10103004)
Shenzhen Scientific and Technological Foundation (JCYJ20170412151620658, JCYJ20170307095003051)
Text and Data Mining valid from 2019-01-16
Received: 6 September 2018
Accepted: 21 December 2018
First Online: 16 January 2019
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of Shenzhen Third People’s Hospital, and individual written informed consent was obtained from each participant.
: Not applicable.
: The authors declare that they have no competing interests.
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