Cai, Li
Tao, Jun
Li, Xiuhong
Lin, Lizi
Ma, Jun
Jing, Jin
Chen, Yajun
Funding for this research was provided by:
1.Natural Science Foundation of Guangdong Province, China
Research Special Fund for Public Welfare of Health from the Ministry of Health, the People's Republic of China
1.Research Special Fund for Public Welfare of Health from the Ministry of Health, the People's Republic of China
Article History
Received: 15 June 2017
Revised: 11 September 2017
Accepted: 1 October 2018
First Online: 19 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.