Erratum: The Royal Free Hospital Score: A Calibrated Prognostic Model for Patients With Cirrhosis Admitted to Intensive Care Unit. Comparison With Current Models and CLIF‐SOFA Score. (January 2017) - Theocharidou, Eleni; Pieri, Giulia; Mohammad, Ali Omar; Cheung, Michelle; Cholongitas, Evangelos; Banwari, Agarwal; Burroughs, Andrew K