Usher Institute, The University of Edinburgh, Edinburgh, UK. Algebra University College, Zagreb, Croatia. MRC/CSO Social & Public Health Sciences Unit, University of Glasgow, Glasgow, UK. Public Health Scotland, Glasgow, UK. School of Medicine, Medical Sciences & Nutrition, University of Aberdeen, Aberdeen, UK. School of Mathematics and Statistics, University of St Andrews, St. Andrews, UK. Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom. Department of Clinical Pharmacy, College of Pharmacy, Hawler Medical University, Erbil, Iraq. College of Pharmacy, Al-Kitab University, Kirkuk, Iraq. School of Pharmacy, Sefako Makgatho Health Sciences University, Pretoria, South Africa. School of Health, Wellington Faculty of Health, Victoria University of Wellington, Wellington, New Zealand. Department of Mathematics and Statistics, University of Strathclyde, Glasgow, UK. Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK.