Section of Gastroenterology and Department of Internal Medicine Hospital General Universitario de Alicante;
Alicante;
Spain;
Service of Clinical Laboratory Hospital General Universitario de Alicante;
Alicante;
Spain;
Service of Preventive Medicine Hospital General Universitario de Alicante;
Alicante;
Spain;
Section of Gastroenterology and Department of Internal MedicineHospital General Universitario de Alicante;
Alicante;
Spain;