REDIportal: millions of novel A-to-I RNA editing events from thousands of RNAseq experiments. - Luigi Mansi; Marco Antonio Tangaro; Claudio Lo Giudice; Tiziano Flati; Eli Kopel; Amos Avraham Schaffer; Tiziana Castrignanò; Giovanni Chillemi; Graziano Pesole; Ernesto Picardi (Nucleic Acids Res., 2021)