[1] Univ Gothenburg, Sahlgrenska Acad, Ctr Hlth & Performance, Dept Mol & Clin Med, Gothenburg, Sweden
[2] Univ Gothenburg, Sahlgrenska Acad, Inst Clin Sci, Dept Otorhinolaryngol Head & Neck, Gothenburg, Sweden
[3] Sahlgrens Univ Hosp, Region Vastra Gotaland, Dept Otorhinolaryngol, Gothenburg, Sweden
[4] Univ Gothenburg, Ctr Hlth & Performance, Dept Food & Nutr & Sports Sci, Fac Educ, Skanegatan 14 B, S-40530 Gothenburg, Sweden
[5] Sahlgrens Univ Hosp, Dept Med Geriatr & Acute Med, Gothenburg, Region Vastra G, Sweden