Yang, Jianping
Zhang, Wenjuan
Feng, Jing
Funding for this research was provided by:
natural science foundation of China (81473014)
basic research project of Shenzhen science and technology plan (JCY20150403094740974)
Article History
Received: 23 November 2019
Accepted: 27 May 2020
First Online: 8 June 2020
Compliance with ethical standard
:
: The authors declare no conflicts of interest.
: None.
: This study was performed in Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China. The study was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. The study was reviewed and approved by the Ethics Committee of the First Affiliated Hospital of Jinan University. Written informed consent was obtained from each patient enrolled in this study.