Corrigendum to “Multicentre Harmonisation of a Six-Colour Flow Cytometry Panel for Naïve/Memory T Cell Immunomonitoring” - Iole Macchia; Valentina La Sorsa; Irene Ruspantini; Massimo Sanchez; Valentina Tirelli; Maria Carollo; Giorgio Fedele; Pasqualina Leone; Giovanna Schiavoni; Carla Buccione; Paola Rizza; Paola Nisticò; et al. (Journal of Immunology Research)