Providing gene-to-variant and variant-to-gene database identifier mappings to use with BridgeDb mapping services. - Friederike Ehrhart; Jonathan Mélius; Elisa Cirillo; Martina Kutmon; Egon L. Willighagen; Susan L. Coort; Leopold M. G. Curfs; Chris T. A. Evelo (F1000Research, 2018)