1. Department of Biotechnology, Alto Guadalquivir Hospital, Andújar (Jaén), Spain,
2. Laboratory of Clinical Analysis, General Universitario De Ciudad Real Hospital, Ciudad Real, Spain,
3. UGC Laboratory, Department of Immunology, Complejo Hospitalario, Jaén, Spain,
4. Department of Gastroenterology, Alto Guadalquivir Hospital, Andújar (Jaén), Spain, and
5. Department of Pathology, Alto Guadalquivir Hospital, Andújar (Jaén), Spain