National Registration of Patients With Inflammatory Bowel Disease in Brazil on Behalf of GEDIIB - Mikaell, Faria; Ligia, Sassaki [UNESP]; Adriana, Andrade; Roberto, Kaiser Junior; Rogerio, Parra; Giedre, Herrerias [UNESP]; Abel, Quaresma; Genoile, Santana; Carlos, Santos; Mauro, Bafutto; Sender, Miszputen; Jaqueline, Barros [UNESP]; et al. (Lippincott Williams & Wilkins, 2021)