Epidemiological characterization of SARS-CoV-2 variants in children over the four COVID-19 waves and correlation with clinical presentation. - Alteri, Claudia; Scutari, Rossana; Costabile, Valentino; Colagrossi, Luna; Yu La Rosa, Katia; Agolini, Emanuele; Lanari, Valentina; Chiurchiù, Sara; Romani, Lorenza; Markowich, Anna Hermine; Bernaschi, Paola; Russo, Cristina; et al. (Scientific Reports, 2022)