Mzuzu University - Faculty of Health Sciences, University of Washington - Department of Family Medicine, University of Cambridge - The Primary Care Unit, University of Washington - Department of Family Medicine, University of Washington - Department of Epidemiology, Imperial College London - Global eHealth Unit, Imperial College London - Department of Primary Care and Public Health, University College Cork - Health Information Systems Research Centre, University College Cork - Health Information Systems Research Centre, University of Malawi - School of Public Health and Family Medicine, Lund University School of Economics and Management - Department of Informatics, Imperial College London - Global eHealth Unit, Lund University School of Economics and Management - Department of Informatics, Imperial College London - Global eHealth Unit, Pan American Health Organization - Communicable Diseases and Environmental Determinants of Health Department, Pingtung Christian Hospital - Overseas Mission Department, University of Washington - Department of Epidemiology and Pingtung Christian Hospital - Overseas Mission Department