Funding for this research was provided by:
Direktör Albert Påhlssons Stiftelse (na)
the China Scholarship Council (scholarship)
Text and Data Mining valid from 2019-01-21
Received: 14 September 2018
Accepted: 22 December 2018
First Online: 21 January 2019
Compliance with ethical standards
: The authors declare that they have no conflicts of interest.
: All applicable international, national and/or institutional guidelines for the care and use of animals were followed.