| Affiliation: | 1. Department of General Practice;2. Department of Epidemiology and Biostatistics, EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, the Netherlands;3. Applied Research Centre in Health and Lifestyle Interventions, Coventry University, Coventry, UK;4. Division of Endocrinology and Metabolism, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa;5. National Institute for Health Research, School for Primary Care Research, Department of Primary Health Care, University of Oxford, Oxford, UK |
