1. Brighton and Sussex University Hospitals NHS Trust; Brighton East Sussex UK
2. División de Anestesiología; Escuela de Medicina; Pontificia Universidad Católica de Chile; Santiago Chile
3. Cairns Hospital; Queensland Australia
4. University of Pittsburgh Medical Centre; Pittsburgh PA USA
5. Medical Faculty; RWTH Aachen University; Aachen Germany
6. Department Medical and Surgical Sciences and Biotechnologies; Sapienza University of Rome; Latina Italy
7. Ospedale Civile di Baggiovara; Azienda Ospedaliero Universitaria di Modena; Modena Italy
8. Anesthesiology and Pain Medicine; University of Alberta; Canada
9. Department of Anaesthesiology and Intensive Care Medicine; Hvidovre University Hospital; Hvidovre Denmark
10. Hospital of Lithuanian University of Health Sciences Kauno klinikos; Lithuania
11. Peterborough and Stamford Hospitals NHS Trust; Peterborough UK
12. General University Hospital of Patras; Rio Greece
13. Korea University College of Medicine; Seoul South Korea
14. Waitemata DHB; Auckland New Zealand
15. University of Hong Kong; Hong Kong China
16. Critical Care and Pain; Tel Aviv Medical Center; Sackeler School of Medicine; Tel Aviv Israel
17. Royal Victoria Hospital; Belfast UK
18. Department of Anaesthesia and Perioperative Medicine; Groote Schuur Hospital; University of Cape Town; Cape Town South Africa
19. Anaesthesia and Critical Care Section; Division of Clinical Neuroscience; Queen's Medical Centre Campus; Nottingham University Hospitals NHS Trust; University of Nottingham; Nottingham UK
20. New Somerset Hospital; University of Cape Town; South Africa
21. University of Wisconsin; Madison IN USA
22. Lancaster Medical School and Wythenshawe Hospital; Manchester UK
23. Johns Hopkins Bayview Medical Center; Baltimore MD USA
24. All India Institute of Medical Sciences; New Delhi India
25. University of Hong Kong-Shenzhen Hospital; Shenzhen China