1. King’s College London, School of Population Health and Environmental Sciences, United Kingdom (C.F., W.M., C.D.A.W., A.B., A.D.).
2. National Institute for Health Research Applied Research Collaboration (ARC) South London (C.D.A.W., A.D.), Guy’s and St Thomas’ National Health Service Foundation Trust and King’s College London, United Kingdom.
3. Department of Ageing Health and Stroke (A.B.), Guy’s and St Thomas’ National Health Service Foundation Trust and King’s College London, United Kingdom.