1. University Clinic of Respiratory and Allergic Diseases Golnik Golnik Slovenia
2. Faculty of Arts, Department of Psychology University of Ljubljana Ljubljana Slovenia
3. Clinical Epidemiology Unit Oncological network research and prevention Institute‐ISPRO Siena Italy
4. School of Health Sciences University of Nottingham Nottingham UK
5. Julius Center for Health Sciences and Primary Care University Medical Center Utrecht Utrecht The Netherlands
6. Department of Public Health Erasmus MC, Erasmus University Medical Center Rotterdam The Netherlands
7. Division of Nursing and Midwifery, Health Sciences School University of Sheffield Sheffield UK