[1] Univ Tromso, Dept Clin Med, Tromso, Norway
[2] Univ Colorado, Inst Cognit Sci, Boulder, CO 80309 USA
[3] Pearson PLC, London, England
[4] Louisiana State Univ, Dept Psychol, Baton Rouge, LA 70803 USA
[5] Univ Tromso, Dept Comp Sci, Tromso, Norway
[6] Univ Tromso, Fac Law, Tromso, Norway
[7] Univ Oslo, Univ Ctr Informat Technol, Oslo, Norway
[8] Analyt Measures Inc, Palo Alto, CA USA
[9] Univ Hosp North Norway, Norwegian Ctr ehlth Res, Tromso, Norway