Cyll, Karolina
Ersvær, Elin
Vlatkovic, Ljiljana
Pradhan, Manohar
Kildal, Wanja
Avranden Kjær, Marte
Kleppe, Andreas
Hveem, Tarjei S
Carlsen, Birgitte
Gill, Silje
Löffeler, Sven
Haug, Erik Skaaheim
Wæhre, Håkon
Sooriakumaran, Prasanna
Danielsen, Håvard E
Article History
Received: 2 February 2017
Revised: 10 May 2017
Accepted: 22 May 2017
First Online: 15 June 2017
Competing interests
: The authors declare no conflict of interest.