Dr Christina Petsoulas (Research Fellow at London School of Hygiene and Tropical Medicine), Professor Pauline Allen (Professor of Health Services Organisation at London School of Hygiene and Tropical Medicine), Dr Marie Sanderson (Assistant Professor at London School of Hygiene and Tropical Medicine), Melissa Surgey (NIHR ARC-GM PhD Fellow at University of Manchester), and Dr Dorota Osipovic (Research Fellow at London School of Hygiene and Tropical Medicine) (ICS0020)