Humoral and cellular responses to varicella vaccination of patients with pediatric rheumatic diseases: preliminary results of a vaccination study - Groot, Noortje; Grein, I.; Wulffraat, N. M.; Schepp, R.; Berbers, G.; Souza, C. C. Barbosa Sandoval de; Ferriani, Virgínia Paes Leme; Pileggi, G.; Roock, S. de (Paediatric Rheumatology Society Congress (PReS), 2016)