1. School of Pharmacy; Queen's University Belfast; Belfast UK
2. Division of Medical and Dental Education, School of Medicine and Dentistry; University of Aberdeen; Aberdeen UK
3. Division of Population Health Sciences, Medical Research Institute; University of Dundee; Dundee UK
4. Health Psychology Group; University of Aberdeen; Aberdeen UK
5. Medical Statistics Team; University of Aberdeen; Aberdeen UK
6. School of Medicine; University of Dundee; Dundee UK
7. Clinical Pharmacology Unit; University of Edinburgh; Western General Hospital; Edinburgh UK
8. Department of Clinical Pharmacology; Glasgow Royal Infirmary; Glasgow UK
9. Department of Medicine and Therapeutics; School of Medicine and Dentistry; University of Aberdeen; Aberdeen UK
10. Queen's Medical Research Institute; University of Edinburgh; Edinburgh UK
11. Centre of Academic Primary Care; Division of Applied Health Sciences; University of Aberdeen; Aberdeen UK