1. Translational and Clinical Research Institute, Faculty of Medical Sciences, Clinical Ageing Research Unit, Newcastle University, Newcastle upon Tyne, UK
2. Northumbria Healthcare NHS Foundation Trust, North Tyneside General Hospital, North Shields, UK
3. Population Health Sciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
4. The Medical School, Newcastle University, Newcastle upon Tyne, UK
5. Hai District Hospital, Boma Ng’ombe, Hai, Kilimanjaro, Tanzania
6. Newcastle upon Tyne Hospitals, NHS Foundation Trust, Newcastle upon Tyne, UK
7. Kilimanjaro Christian Medical Centre, Moshi, Tanzania