element.setAttribute( "ref", getExperimentId( session, experiment ) );
element.setAttribute( "ref", getExperimentId( session, experiment ) );
element.setAttribute( "ref", getExperimentId( session, experiment ) );
element.setAttribute( "id", getExperimentId( session, experiment ) );
element.setAttribute( "id", getExperimentId( session, experiment ) );
element.setAttribute( "id", getExperimentId( session, experiment ) );