1 Outcomes Research Department, Anesthesiology Institute, Cleveland Clinic, OH, USA; Department of Anesthesiology and Reanimation, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Istanbul, Turkey. Electronic address: eceyamak@gmail.com.
2 Department of Clinical and Experimental Medicine, University Hospital AOU Careggi, Florence, Italy.
3 Department of Anesthesia, Hospital Universitario 12 de Octubre, Madrid, Spain.
4 Department of the Anesthesiology, Hospital Interzonal General Dr. José Penna, Bahía Blanca, Buenos Aires, Argentina.
5 Department of Anesthesia and Critical Care, Móstoles University Hospital, Móstoles, Madrid, Spain.
6 Department of the Anesthesiology, Hospital Mexico Costa Rica, San Jose, Costa Rica.
7 Department of Anesthesia, Instituto Português De Oncologia Do Porto Francisco Gentil, Epe, Porto, Portugal.
8 Department of Anatomy, Histology and Neuroscience, School of Medicine, Universidad Autónoma de Madrid, Spain.
9 Department of Anesthesia Hospital, Universitario de Móstoles, Madrid, Spain.