1. The University of Edinburgh; Centre for Population Health Sciences; Doorway 1, Medical School Teviot Place Edinburgh Scotland UK EH8 9AG
2. School of Public Health, Imperial College London; Global eHealth Unit, Department of Primary Care and Public Health; 306 The Reynolds Building St Duncans Road London UK W6 8RP
3. Imperial College & Nanyang Technological University; Lee Kong Chian School of Medicine; 3 Fusionopolis Link, #03-08 Nexus@one-north Singapore Singapore 138543