A. Ciapponi,S. A. Virgilio,M. Berrueta,N. C. Soto,Á. Ciganda,M. F. Rojas Illanes,B. Rubio Martinez,J. Gamba,C. A. González Salazar,J. N. Rocha Rodríguez,B. Scarpellini,A. M. Bravo Perdomo,G. Machnicki,L. Aldunate,J. De Paula and A. Bardach. Epidemiology of inflammatory bowel disease in Mexico and Colombia: Analysis of health databases, mathematical modelling and a case-series study. PLoS One. 2020;15(1):10.1371/journal.pone.0228256.