Correction to: Probiotics for Celiac Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. (9th September 2021) - Seiler, Caroline L.; Kiflen, Michel; Stefanolo, Juan Pablo; Bai, Julio César; Bercik, Premysl; Kelly, Ciaran P.; Verdu, Elena F.; Moayyedi, Paul; Pinto-Sanchez, Maria Ines