Psychometric evaluation of the Spanish version of the Pediatric Quality of Life Eosinophilic Esophagitis Questionnaire (Peds QL-EoE Module ™) oleh Ruth Garcia – Martinez de Bartolomé, Josefa Barrio-Torres, MLuz Cilleruelo- Pascual, Juan José Rodríguez-Soler, Ángel Gil-de Miguel, Tomás Sebastián-Viana, the Spanish Study Group of Children’s Eosinophilic Esophagitis Quality of Life