[1] Univ Helsinki, Dept Psychol & Logoped, Fac Med, Helsinki, Finland
[2] Univ Helsinki, Helsinki Coll Adv Studies, Helsinki, Finland
[3] Univ Oulu, Unit Psychol, Fac Educ, Oulu, Finland
[4] Univ Tampere, Dept Pediat, Tampere, Finland
[5] Tampere Univ Hosp, Tampere, Finland
[6] Univ Turku, Dept Med, Turku, Finland
[7] Turku Univ Hosp, Div Med, Turku, Finland
[8] Univ Turku, Res Ctr Appl & Prevent Cardiovasc Med, Turku, Finland
[9] Turku Univ Hosp, Dept Clin Physiol & Nucl Med, Turku, Finland