[1] Uppsala Univ, Dept Psychol, Uppsala, Sweden
[2] Uppsala Univ, Dept Surg Sci, Uppsala, Sweden
[3] Linkoping Univ, Dept Med & Hlth Sci, SE-58183 Linkoping, Sweden
[4] Linkoping Univ, Swedish Inst Disabil Res, Dept Behav Sci & Learning, SE-58183 Linkoping, Sweden
[5] Karolinska Inst, Dept Clin Neurosci, Psychiat Sect, Stockholm, Sweden