1. Laboratory Medicine Department , Huelva University Hospital , Huelva , Spain
2. Department of Clinical Biochemistry , Virgen del Rocío University Hospital , Seville , Spain
3. Instituto de Biomedicina de Sevilla , IBIS (Universidad de Sevilla, HUVR, Junta de Andalucía, CSIC) , Seville , Spain
4. Department of Hepatobiliary Surgery , Virgen del Rocío University Hospital , Seville , Spain
5. Department of Intensive Care Medicine , Virgen del Rocío University Hospital , Seville , Spain
6. Department of Anaesthesiology , Virgen del Rocío University Hospital , Seville , Spain