Skrede, Steinar
Steinsland, Hans
Sommerfelt, Halvor
Aase, Audun
Brandtzaeg, Per
Langeland, Nina
Cox, Rebecca J
Sævik, Marianne
Wallevik, Marita
Skutlaberg, Dag Harald
Tellevik, Marit Gjerde
Sack, David A
Nataro, James P
Guttormsen, Anne Berit
Article History
Received: 7 March 2014
Accepted: 11 July 2014
First Online: 4 September 2014