Factors predictive of serious infections over time in systemic lupus erythematosus patients: data from a multi-ethnic, multi-national, Latin American lupus cohort - Pimentel-quiroz, V. R.; Ugarte-gil, M. F.; Harvey, G. B.; Wojdyla, D.; Pons-estel, G. J.; Quintana, R.; Esposto, A.; Bonfá, Eloísa Silva Dutra de Oliveira; Borba Neto, Eduardo Ferreira (Lupus, 2019)