[1] Ashford and St Peter’s Hospitals NHS Foundation Trust,Obstetrics and Gynaecology
[2] Ashford and St Peter’s Hospitals NHS Foundation Trust,Surgical Site Infection Surveillance Team
[3] Ashford and St Peter’s Hospitals NHS Foundation Trust,Department of Quality
[4] Ashford and St Peter’s Hospitals NHS Foundation Trust,Department Acute Medicine
[5] University of Bristol,School of Physiology, Pharmacology and Neuroscience
[6] Ashford and St Peter’s Hospitals NHS Foundation Trust,Department of Cardiology
[7] Ashford and St Peter’s Hospitals NHS Foundation Trust,Department of Endocrinology
[8] Royal Holloway,Institute of Cardiovascular Research
[9] University of London,undefined