Modified convenience function for displaying date differences to provide formatting also for dates that do not belog to the Event class.
Modified convenience function for displaying date differences to provide formatting also for dates that do not belog to the Event class.

PhenotypeFoundation/PhenotypeDatabase,PhenotypeFoundation/PhenotypeDatabase-legacy,thehyve/GSCF,PhenotypeFoundation/PhenotypeDatabase,PhenotypeFoundation/PhenotypeDatabase-legacy,thehyve/GSCF,TNO/PhenotypeDatabase,TNO/PhenotypeDatabase,PhenotypeFoundation/PhenotypeDatabase-legacy,NetherlandsMetabolomicsCentre/GSCF,NetherlandsMetabolomicsCentre/GSCF