Ma, Qian
Cui, Tie Jun
Funding for this research was provided by:
National Key Research and Development Program of China (2017YFA0700201, 2017YFA0700202, and 2017YFA0700201)
National Natural Science Foundation of China (61631007, 61571117, 61501112, 61501117, 61522106, 61731010, 61735010, 61722106, 61701107, and 61701108)
111 Project (111-2-05)
Fund for International Cooperation and Exchange of National Natural Science Foundation of China (61761136007)
Article History
Received: 2 January 2020
Accepted: 29 January 2020
First Online: 2 March 2020
Competing interests
: The authors declare that they have no competing interests.