[1] University of Antwerp,Department of Primary Care and Interdisciplinary Care
[2] University of Southampton,Primary Care and Population Sciences, Faculty of Medicine
[3] Maastricht University,Department of General Practice, CAPHRI School for Public Health and Primary Care
[4] University of Antwerp,Vaccine & Infectious Disease Institute (VAXINFECTIO), Laboratory of Microbiology
[5] University of Southampton,Academic Unit of Psychology, Faculty of Social and Human Sciences
[6] Cardiff University,Cochrane Institute of Primary Care and Public Health, School of Medicine
[7] Hospital Clinic of Barcelona,Applied Research in Respiratory Diseases
[8] Medical University of Lodz,Department of Family and Community Medicine
[9] University Rovira i Virgili,Primary Care Centre Jaume I
[10] University Medical Center Utrecht,Julius Centre for Health Sciences and Primary Care