https://github.com/OHDSI/CommonEvidenceModel/blob/master/postProcessingEvidenceUnify/inst/sql/sql_server/evidence_unify.sql#L33 No underscoare https://github.com/OHDSI/CommonEvidenceModel/blob/master/postProcessingEvidenceUnify/inst/sql/sql_server/evidence_unify.sql#L84 underscore
https://github.com/OHDSI/CommonEvidenceModel/blob/master/postProcessingEvidenceUnify/inst/sql/sql_server/evidence_unify.sql#L33
No underscoare
https://github.com/OHDSI/CommonEvidenceModel/blob/master/postProcessingEvidenceUnify/inst/sql/sql_server/evidence_unify.sql#L84
underscore