1 Department of Anaesthesiology, Intensive Care and Pain Management, Pomeranian Medical University, Szczecin, Poland. katarzyna.kotfis@pum.edu.pl.
2 Intensive Care Unit, Pasteur Hospital, Montevideo, Uruguay.
3 Critical Illness, Brain Dysfunction and Survivorship (CIBS) Center, Center for Health Services Research, Nashville, TN, USA.
4 Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA.
5 Geriatric Research, Education and Clinical Center (GRECC) Service, Nashville Veterans Affairs Medical Center, Tennessee Valley Healthcare System, Nashville, TN, USA.