1. University College Dublin School of Nursing, Midwifery and Health Systems , Belfield, Dublin 4 , Ireland
2. Respiratory Department, Children’s Health Ireland , Crumlin, Dublin 12 , Ireland
3. University College Dublin School of Medicine , Belfield, Dublin 4 , Ireland
4. Tobacco Free Ireland Programme, Health Service Executive , Ireland
5. Department of Epidemiology and Public Health, School of Population Health, Royal College of Surgeons in Ireland , Dublin 2 , Ireland
6. College Health and Agricultural Sciences, University College Dublin , Belfield, Dublin 4 , Ireland