Holter, Jan C
Müller, Fredrik
Bjørang, Ola
Samdal, Helvi H
Marthinsen, Jon B
Jenum, Pål A
Ueland, Thor
Frøland, Stig S
Aukrust, Pål
Husebye, Einar
Heggelund, Lars
Article History
Received: 25 September 2014
Accepted: 4 February 2015
First Online: 15 February 2015