1. Health Research Board Clinical Research Facility, University College Cork, Mercy University Hospital , Cork City , Ireland
2. Department of Epidemiology and Public Health, Sciensano , Brussels , Belgium
3. Department of Translational Physiology , Infectiology and Public Health, , Merelbeke , Belgium
4. Ghent University , Infectiology and Public Health, , Merelbeke , Belgium
5. School of Nursing and Midwifery , College of Medicine, Nursing and Health Sciences, , Galway , Ireland
6. University of Galway , College of Medicine, Nursing and Health Sciences, , Galway , Ireland
7. Department of Endocrinology, Portiuncula University Hospital , Ballinasloe , Ireland
8. Department of Epidemiology & Public Health , School of Public Health, , Cork City , Ireland
9. University College Cork , School of Public Health, , Cork City , Ireland
10. Department of Geriatric Medicine, Mercy University Hospital , Cork City , Ireland