APA Occupational and Employment cluster	Study Cohort Ontology	Source
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Education	http://purl.obolibrary.org/obo/ExO_0000041	LOOM
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Unemployment	http://purl.obolibrary.org/obo/NCIT_C75563	LOOM