[1] Univ Eastern Finland, Inst Clin Med Psychiat, Kuopio, Finland
[2] Kuopio Univ Hosp, Dept Psychiat, Kuopio, Finland
[3] Univ Eastern Finland, Fac Hlth Sci, Inst Publ Hlth & Clin Nutr, Kuopio, Finland
[4] Deakin Univ, Food & Mood Ctr, IMPACT Strateg Res Ctr, Sch Med,Barwon Hlth, Geelong, Vic, Australia
[5] Univ Eastern Finland, Primary Hlth Care Unit, Kuopio, Finland
[6] Kuopio Univ Hosp, Kuopio, Finland
[7] South Savonia Hosp Dist, Dept Psychiat, Mikkeli, Finland
[8] North Karelia Cent Hosp, Joensuu, Finland
[9] SOTE, Iisalmi, Finland
[10] Lapland Hosp Dist, Rovaniemi, Finland
[11] Univ Eastern Finland, Dept Educ & Psychol, Joensuu, Finland
[12] Univ Oulu, Dept Physiol, Res Unit Biomed, Oulu, Finland
[13] Univ Oulu, Bioctr Oulu, Oulu, Finland
[14] Univ Oulu, MRC, Oulu, Finland
[15] Univ Hosp, Oulu, Finland
[16] Poznan Univ Med Sci, Dept Gastroenterol & Metab, Poznan, Poland
[17] Univ Helsinki, Fac Med, Dept Psychol & Logoped, Helsinki, Finland