a presentation of the Centers for Disease Control and Prevention ; produced by NIOSH, National Institute for Occupational Safety and Health ; a NIOSH-TV production, Training and Educational Systems Branch
American Psychological Association presents ; produced by Governors State University, Digital Learning and Media Design ; video producer/director/editor, Jon Mark Tolles
KU Leuven, Faculty of Philosophy and Letters ; Centre for the Study of the Illuminated Manuscript in the Low Countries ; script, Maurits Smeyers [and others]