1. University of Agder, Postbox 422, 4604 Kristiansand, Norway
2. Oslo and Akershus University College of Applied Sciences, Postbox 4 St Olavs Plass, 0130 Oslo, Norway
3. IRIS AS, Postbox 8046, 4068 Stavanger, Norway
4. Buskerud and Vestfold University College, Postbox 235, 3603 Kongsberg, Norway
5. Norwegian School of Economics, Hellevein 30, 5045 Bergen, Norway