1. Centre for Global Health Research, Usher Institute, University of Edinburgh, Edinburgh, United Kingdom
2. School of Public Health and the Second Affiliated Hospital, Zhejiang University, Hangzhou, China
3. Information Services, University of Edinburgh, Edinburgh, United Kingdom
4. Institute of Translational Medicine, University of Liverpool, Liverpool, United Kingdom
5. Health Systems Research Unit, South African Medical Research Council, Francie Van Zijl Drive, Parow, South Africa
6. Cancer Research UK Edinburgh Centre, Medical Research Council Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom