Funding for this research was provided by:
National Natural Science Foundation of China (81802076, 81871736)
Guangzhou Science and Technology Foundation (201804020043)
National Key Technology R&D Program (2018YFC1311902)
Guangdong Science and Technology Foundation (2019B030316028)
Guangzhou Municipal Health Foundation (20191A011073)
the SKLRD Foundation (SKLRD-MS-201906)
the Medicine and Health Care Technology Projects of Guangzhou (2017A013010017)
Text and Data Mining valid from 2019-07-24
Received: 28 March 2019
Accepted: 13 July 2019
First Online: 24 July 2019
Ethics approval and consent to participate
: Approval was obtained from the ethic committee of The First Affiliated Hospital of Guangzhou Medical University (Reference Number: GYFYY-2016-73). Oral informed consent was obtained from all the patients.
: Not applicable.
: The authors declare that they have no competing interests.