Chen, Xiao-Ren
Brurberg, May Bente
Elameen, Abdelhameed
Klemsdal, Sonja Sletner
Martinussen, Inger
Funding for this research was provided by:
Norges Forskningsråd (179476/I30)
Article History
Received: 19 January 2016
Accepted: 12 July 2016
First Online: 22 July 2016
Compliance with ethical standards
:
: All the authors declare no conflict of interests.
: This article does not contain any studies with human participants or animals performed by any of the authors.