JASPAR 2020: update of the open-access database of transcription factor binding profiles - Fornes,O; Castro-Mondragon,JA; Khan,A; van,der Lee R; Zhang,X; Richmond,PA; Modi,BP; Correard,S; Gheorghe,M; Baranasic,D; Santana-Garcia,W; Tan,G; et al. (NUCLEIC ACIDS RESEARCH, 2020)