Xia, Xiaoshuang
Yue, Wei
Chao, Baohua
Li, Mei
Cao, Lei
Wang, Lin
Shen, Ying
Li, Xin
Article History
Received: 11 November 2018
Revised: 2 February 2019
Accepted: 6 February 2019
First Online: 15 April 2019
Compliance with ethical standards
:
: The authors have no conflicts of interest to declare.
: The study protocol was approved by the Ethics committee of Nation Project Office of Stroke Prevention and Control of Ministry of Health (Beijing, China).
: Subjects have given their written informed consent. The study protocol has been approved by the research institute’s committee on human research.