Centre, School of Social Policy, College of Social Sciences, University of Birmingham, Birmingham, UK * 8Georgian Respiratory Association, Tbilisi, Georgia * 9Petre Shotadze Tbilisi Medical Academy, Tbilisi, Georgia * 10Ivane Javakhishvili Tbilisi State University, Tbilisi, Georgia * 11Family Medicine, ABC Medical School, Sao Paolo, Brazil * 12NIHR Birmingham Biomedical Research Centre, University