Su, Naichuan
van Wijk, Arjen J.
Visscher, Corine M.
Lobbezoo, Frank
van der Heijden, Geert J. M. G.
Funding for this research was provided by:
China Scholarship Council
Article History
Received: 1 December 2016
Accepted: 23 January 2018
First Online: 17 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: For this type of study, formal consent is not required.