[1] Univ Gothenburg, Inst Med, Dept Internal Med & Clin Nutr, Krefting Res Ctr, Gothenburg, Sweden
[2] Malmo Univ, Fac Hlth & Soc, Dept Care Sci, Malmo, Sweden
[3] Univ Gothenburg, Inst Med, Dept Internal Med & Clin Nutr, Krefting Res Ctr, Gothenburg, Sweden
[4] Univ Tampere, Fac Med & Hlth Technol, Dept Resp Med, Seinajoki Cent Hosp Tampere Univ Resp Res Grp, Gothenburg, Sweden