Funding for this research was provided by:
EU (608422)
DFG (FOR-891)
IBCAS
University of Zurich
Article History
Received: 24 July 2018
Accepted: 5 November 2018
First Online: 22 November 2018
Ethics approval and consent to participate
: This research was performed in accordance with the laws, guidelines and ethical standards of China and Switzerland, where the research was performed.
: The authors declare that they have no competing interests.