1. Department of Digestive Surgery, Complejo Hospitalario Universitario, Albacete, Spain.
2. Department of Anesthesiology, Resuscitation and Pain Management, Complejo Hospitalario Universitario, Albacete, Spain.
3. Department of Angiology and Vascular Surgery, Complejo Hospitalario Universitario, Albacete, Spain.
4. Department of Clinical Microbiology and Parasitology, Complejo Hospitalario Universitario, Albacete, Spain.