Search for proton decay into three charged leptons in 0.37 megaton-years exposure of the Super-Kamiokande - Tanaka M; Abe K; Bronner C; Hayato Y; Ikeda M; Imaizumi S; Ito H; Kameda J; Kataoka Y; Kato Y; Kishimoto Y; Marti L; et al. (Physical Review d, 2020)