Affiliation: | 1. Department of Gastroenterology, Hospital San Pedro de Alcantara, , Caceres, Spain;2. Research Unit, Hospital Alcazar de San Juan, , Ciudad Real, Spain;3. Department of Allergy, Hospital General de Tomelloso, , Ciudad Real, Spain;4. Department of Allergy, Hospital San Pedro de Alcantara, , Caceres, Spain;5. Department of Gastroenterology, Hospital General de Tomelloso, , Ciudad Real, Spain |