Kinetics of lymphocytosis in naïve chronic lymphocytic leukemia patients treated with covalent Bruton's tyrosine kinase inhibitors: An Italian multicenter real‐life experience - Idanna Innocenti; Antonio Mosca; Annamaria Tomasso; Andrea Galitzia; Lydia Scarfò; Francesca Morelli; Eugenio Galli; Francesca Martini; Eugenio Sangiorgi; Roberta Laureana; Giulia Benintende; Veronica Mattiello; et al. (HemaSphere)