Fu, Xihua
Lou, Haibo
Chen, Fang
Gao, Xueping http://orcid.org/0000-0003-3836-6342
Lin, Zhanzhou http://orcid.org/0000-0002-0283-4231
Funding for this research was provided by:
the science and technology program of Guangzhou (201904010065)
Article History
Received: 29 September 2019
Accepted: 26 December 2019
First Online: 12 February 2020
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: All procedures followed were in accordance with the Helsinki Declaration, and the study protocol was permitted by the Ethics Committee of Panyu Central Hospital, Guangzhou, China and Huizhou Municipal Central Hospital, Huizhou, China. Informed consents were signed by all patients.