Funding for this research was provided by:
National Nature Science Foundation of China (81770013, 81525016, 81772145)
Sanming Project of Medicine in Shenzhen (GCZX2015043015340574)
Shenzhen Science & Technology Grant (JCYJ20170412101048337, JCYJ20170412151620658, JSGG20160427104724699)
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.