Cancer Care: Treatment Outcome Ontology	Time Event Ontology	Source
http://informatics.mayo.edu/TEO.owl#TEO_0000025	http://purl.obolibrary.org/obo/CCTO_000072	LOOM
http://purl.obolibrary.org/obo/OBI_0000066	http://purl.obolibrary.org/obo/CCTO_000051	LOOM