1. Department of Neurology, Neurocritical Care Division, Massachusetts General Hospital, Boston, MA.
2. Department of Neurology, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA.
3. Griffith University School of Medicine, Gold Coast, QLD, Australia.
4. Critical Care Research Group, The Prince Charles Hospital, Chermside, QLD, Australia.
5. School of Medicine, Johns Hopkins University, Baltimore, MD.
6. Treadwell Virtual Library, Massachusetts General Hospital, Boston, MA.
7. IRCCS Ospedale Policlinico San Martino, Genova, Italy.
8. Dipartimento di Scienze Chirurgiche e Diagnostiche Integrate, Università degli Studi di Genova, Genova, Italy.
9. Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD.
10. Divisions of Neuroscience Critical Care and Cardiac Surgery, Departments of Neurology, Surgery, Anesthesiology and Critical Care Medicine, Johns Hopkins University, Baltimore, MD.