Erratum to: 'Measuring energy expenditure in the intensive care unit: a comparison of indirect calorimetry by E-sCOVX and Quark RMR with Deltatrac II in mechanically ventilated critically ill patients'. Issue 1 (December 2016) - Sundström Rehal, Martin; Fiskaare, Erik; Tjäder, Inga; Norberg, Åke; Rooyackers, Olav; Wernerman, Jan