1. Krefting Research Centre Institute of Medicine Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
2. Division of Geriatric Medicine Department of Clinical Sciences in Malmö Lund University Lund Sweden
3. Department of Pediatrics University of Gothenburg Gothenburg Sweden
4. Department of Public Health and Clinical Medicine Section of Sustainable Health/the OLIN Unit Umeå University Umeå Sweden
5. Department of Respiratory Medicine Seinäjoki Central Hospital Seinäjoki Finland
6. Faculty of Medicine and Health Technology Tampere University Respiratory Research Group Tampere University Tampere Finland
7. Wallenberg Centre for Molecular and Translational Medicine Institute of Medicine University of Gothenburg Gothenburg Sweden