Journal article (2013) - W Bult (author), SGC Kroeze (author), ADV van het Schip (author), JLHR Bosch (author), JFW Nijsen (author), JJM Jans (author), M Elschot (author), PR Seevinck (author), F.J. Beekman (author), HWAM Jong de (author), DRA Uges (author), JGW Kosterink (author), PR Luijten (author), WE Hennink (author)