Kostovski, Emil http://orcid.org/0000-0002-7037-1363
Frigato, Elena
Savikj, Mladen
Dahm, Anders
Sandset, Per Morten
Mowinckel, Marie-Christine
Skretting, Grethe
Østerud, Bjarne
Bertolucci, Cristiano
Iversen, Per Ole
Article History
Received: 1 March 2018
Revised: 2 June 2018
Accepted: 18 June 2018
First Online: 9 July 2018
Compliance with ethical standards
:
: We certify that all applicable institutional and governmental regulations concerning the ethical use of human volunteers were followed during the course of this research.
: The authors declare that they have no conflicts of interest.