1. Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki (Hakulinen, Elovainio); National Institute for Health and Welfare, Helsinki (Hakulinen, Elovainio, Arffman, Lumme, Keskimäki, Manderbacka); Faculty of Social Sciences, Tampere University, Tampere, Finland (Suokas, Pirkola, Keskimäki); Pirkanmaa Hospital District, Tampere, Finland (Pirkola); School of Business and Economics, University of Jyväskylä, Jyväskylä, Finland (Böckerman); Labour Institute for Economic...