Funding for this research was provided by:
National Natural Science Foundation of China (31600684)
National Natural Science Foundation of China (31570859)
National Natural Science Foundation of China (U1738107)
Strategic Priority Research Program of the Chinese Academy of Sciences (XDA04020202-15)
Strategic Priority Research Program of the Chinese Academy of Sciences (XDA04020415)
China Manned Space Flight Technology Project
Article History
Received: 12 February 2018
Accepted: 29 May 2018
First Online: 14 June 2018
Compliance with Ethical Standards
:
: All authors reviewed the manuscript and declared no competing financial interests.