Karpate, Arti
Barcena, Carmen
Hohl, Daniel
Bisig, Bettina
de Leval, Laurence
Funding for this research was provided by:
No funding provided
Article History
Received: 31 May 2016
Revised: 27 July 2016
Accepted: 11 August 2016
First Online: 25 August 2016
Compliance with ethical standards
: The authors confirm the compliance with the ethical standards.
: No funding was issued by any internal or external resources.
: The authors declare that they have no conflict of interest.