Lundebye, Anne-Katrine; Aursand, Marit; Berntssen, Marc; Hemre, Gro Ingunn; Jenssen, Bjørn Munro; Thomassen, Magny Sissel S.; Volden, Harald; Berdal, Knut G; Espe, Marit; Mjaaland, Siri; Storrø, Ivar; Sørum, Henning; Valheim, Mette; Bernhoft, Aksel (VKM Report, Research report, 2006)