1. Department of Anaesthesia and Peri‐operative Medicine University of Manchester, Saint Mary’s Hospital Manchester University NHS Foundation Trust Manchester UK
2. Department of Anaesthesia, Peri‐operative and Intensive Care Medicine Wythenshawe Hospital Manchester University NHS Foundation Trust Manchester UK
3. Department of Anaesthesia Royal Preston Hospital Lancashire Teaching Hospitals NHS Foundation Trust Preston UK
4. Department of Anaesthesia Royal Oldham Hospital Oldham Care Organisation Northern Care Alliance NHS Group Oldham UK
5. Department of Anaesthesia Royal Albert Edward Infirmary Wrightington, Wigan and Leigh NHS Hospital NHS Foundation Trust Wigan UK
6. Department of Anaesthesia Burnley General Teaching Hospital East Lancashire Hospitals NHS Trust Blackburn UK
7. Department of Anaesthesia Liverpool Women’s Hospital Liverpool Women’s Hospital NHS Foundation Trust Liverpool UK