1. Department of Anesthesia; Istituto Giannina Gaslini; Genoa Italy
2. Department of Anesthesia; Great Ormond Street Hospital; London UK
3. Department of Anesthesia; The Hospital for Sick Children; Toronto Ontario Canada
4. Division of Cardiac Anesthesiology; Department of Anesthesiology and Critical Care Medicine; Children's Hospital of Philadelphia; Philadelphia Pennsylvania
5. Department of Anesthesiology; Columbia University Irving Medical Center; New York Presbyterian Hospital; New York New York
6. Department of Anesthesia and Intensive Care; Cnopf Children′s Hospital; Nürnberg Germany
7. Department of Anesthesia; Children's Hospital Zurich; Zurich Switzerland
8. Department of Anesthesia & Intensive Care; University Hospital Odense; Odense Denmark
9. Department of Anesthesia; Erasmus Medical Center; Sophia Children's Hospital; Rotterdam The Netherlands
10. Division of Neurotoxicology; National Center for Toxicological Research/Food and Drug Administration; Jefferson Arkansas
11. Department of Anesthesia & Intensive Care; Odense University Hospital; Odense Denmark
12. Department of Clinical Research; University of Southern Denmark; Odense Denmark
13. Department of Anesthesia; Perioperative Pain and Critical Care Medicine; Boston Massachusetts
14. Department of Neuropsychology; Kennedy Krieger Institute; Baltimore Maryland
15. Department of Physical Medicine and Rehabilitation; Johns Hopkins School of Medicine; Baltimore Maryland
16. Division of Pediatric Anesthesia; Department of Anesthesiology; College of Physicians and Surgeons; Columbia University; New York New York
17. Department of Anesthesiology and Pain Management; University of Texas Southwestern and Children's Health Medical Centre; Dallas Texas
18. Outcome Research Consortium; Cleveland Ohio
19. Department of Anesthesiology and Perioperative Medicine; Mayo Clinic; Rochester Minnesota
20. Department of Anesthesiology, Pharmacology and Intensive Care; University Hospitals of Geneva; Geneva Switzerland
21. Department of Anesthesia and Pain Management; Royal Children's Hospital; Melbourne Victoria Australia
22. The Melbourne Children's Trials Centre; Murdoch Children's Research Institute; Melbourne Victoria Australia