Letter to Editor, Re: The first report on Covid-19 vaccine refusal by cancer patients in Italy: Early data from a single-institute survey: Educational Webinar about COVID-19 Vaccines in Oncological Patients: A Promising Strategy to Tackle COVID-19 Vaccine Hesitancy. (November 2021) - Villarreal-Garza, Cynthia; Vaca-Cartagena, Bryan F.; Becerril-Gaitan, Andrea; Castilleja-Leal, Fernando