1. Middlesex University London, London, UK
2. Barts Health NHS Trust, London, UK
3. Maternity Unit, Whittington Health, London, UK
4. Acute Assessments, SDEC & Ambulatory Emergency Care Unit, Acute Medicine, Perioperative, Critical Care & Emergency Care Division, Barking, Havering and Redbridge University Hospitals NHS Trust, Romford, UK