1. Clinical Trial Service Unit; University of Oxford; Oxford UK
2. Center for Health Technology and Services Research (CINTESIS); Porto Portugal
3. School of Pharmacy; Queen's University Belfast; Belfast UK
4. School of Pharmacy and Pharmaceutical Sciences; Trinity College Dublin; Dublin Ireland
5. No affiliation; Portaferry UK
6. Department of General Practice and Primary Health Care; University of Auckland; Auckland New Zealand
7. Centre for Public Health; Queen's University Belfast; Belfast UK