Funding for this research was provided by:
National Nature Science Foundation of China (81525016, 81772145, 81770013)
Shenzhen Science & Technology Grant (JSGG20160427104724699, JCYJ20170412101048337, JCYJ20170412151620658)
Sanming Project of Medicine in Shenzhen (GCZX2015043015340574)
Text and Data Mining valid from 2018-03-24
Received: 12 July 2017
Accepted: 12 March 2018
First Online: 24 March 2018
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of Shenzhen Third People’s Hospital, and informed consent was obtained from each participant.
: Not applicable.
: The authors declare that they have no competing interests.