Live attenuated MMR/V booster vaccines in children with rheumatic diseases on immunosuppressive therapy are safe: multicenter, retrospective data collection - Uziel, Yosef; Moshe, Veronica; Onozo, Beata; Kulcsár, Andrea; Tróbert-Sipos, Diána; Akikusa, Jonathan D.; Pileggi, Gecilmara Cristina Salviato; Maritsi, Despoina; Kasapcopur, Ozgur; Rodrigues, Mariana; Smerla, Roubini; Rigante, Donato; et al. (Vaccine, 2020)