Latin American Surgical Outcomes Study in Paediatrics (LASOS-Peds): study protocol and statistical analysis plan for a multicentre international observational cohort study.

Quintão VC, de Sousa GS, Torborg A, Vieira A, Consonni F, Rodrigues S, Proença J, Carlos RV, Clemente M, Alonso N, Neville M, Leite F, Tonello C, Evans F, Garcia-Marcinkiewicz A, Guris R, Herrera J, Andersen A, Schaigorodsky L, Biondini N, Cajas N, Cruzat F, Cortínez LI, Giraldo M, Valle A, Pozo C, Betancourt A, Echeto MA, Dominguez A, Sarmiento L, González K, Ábrego G, Leguizamón L, Paula L, Lauber C, Lopez G, Biccard BM, Carmona MJ, Hajjar LA.