Funding for this research was provided by:
National Natural Science Foundation of China (81670946)
Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (XMLX201507)
Beijing Tongren Hospital, Capital Medical University scientific research backbone fund (2015-YJJ-GGL-002)
Article History
Received: 3 July 2018
Accepted: 20 April 2019
First Online: 2 May 2019