Funding for this research was provided by:
China Scholarship Council (201503250068)
Swiss National Science Foundation (IZCOZ0_177141)
Text and Data Mining valid from 2019-08-28
Received: 12 March 2019
Accepted: 19 August 2019
First Online: 28 August 2019
: The animals were owned and kept at the Research station “Thalhausen” of the Technical University of Munich, Freising, Germany. The animal experiment was conducted in Freising, Germany and approved by the Committee on District Government of Upper Bavaria, Germany, which is the legal body to grant ethical approval. All experimental procedures were in accordance with the accepted standards of humane animal care in Germany.
: Not applicable.
: The authors declare that they have no competing interests.