1. Pharmacoepidemiology, Spanish Centre for Pharmacoepidemiologic Research (CEIFE), Spain
2. Department of Preventive Medicine and Public Health, Complutense University of Madrid, Spain
3. Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, UK
4. Former employee of AstraZeneca Gothenburg, Mölndal, Sweden
5. AstraZeneca Cambridge, Cambridge, UK