Diagnosis of eosinophilic gastrointestinal disorders beyond eosinophilic esophagitis in adults. A brief review Esteban Fuentes-Valenzuela; Pedro Delgado-Guillena; Raúl Velamazan-Sandalinas; Javier Jiménez Sánchez; Natalia García-Morales; Jesús Barrio; Alfredo J Lucendo;