1 Intensive Care Unit, Hospital Morales Meseguer, Murcia, Spain.
2 IRCCS San Raffaele Scientific Hospital, Milan, Italy; Vita-Salute San Raffaele University, Milan, Italy.
3 Department of Anaesthesiology and Critical Care, All India Institute of Medical Sciences, Raipur PIN-492099, India. Electronic address: drhabibkarim@gmail.com.