Corrigendum: A Narrative Approach to Describe QoL in Children With Chronic ITP - Giordano, Paola; Lassandro, Giuseppe; di Meo, Nicola Antonio; Palladino, Valentina; Lovrencic, Barbara; Spinelli, Marco; Reale, Luigi; Jankovic, Momcilo (Frontiers in Pediatrics, 2019)