ESPGHAN Position Paper on Management and Follow-up of Children and Adolescents with Celiac Disease - Mearin ML; Agardh D; Antunes H; Al-Toma A; Auricchio R; Castillejo G; Catassi C; Ciacci C; Discepolo V; Dolinsek J; Donat E; Gillett P; et al. (JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION, 2022)