1. Digestive Disease Department, Hospital Clínico Universitario de Valencia, Valencia, Spain;
2. INCLIVA-Biomedical Research Unit, Valencia, Spain;
3. Hepato-Neuro Laboratory, CRCHUM, Université de Montréal, Montreal, Canada;
4. Liver Failure Group, Institute for Liver and Digestive Health, University College London, Royal Free Campus, London, UK;
5. European Foundation for the Study of Chronic Liver Failure (EF Clif), Barcelona, Spain.