1. University Hospital Crosshouse, UK
2. St George’s University Hospitals NHS Foundation Trust, UK
3. Whittington Health NHS Trust, UK
4. University Hospitals Birmingham NHS Foundation Trust, UK
5. University Hospitals Plymouth NHS Trust, UK
6. University of Rome “La Sapienza”, Italy
7. Izmir Tepecik Training and Research Hospital, Turkey
8. South Tyneside and Sunderland NHS Foundation Trust, UK