Journal article (2003) - A. Havelaar (author), AA van den Bogaard (author), H. der Zee (author), R.M. Cooke (author), Roger Cooke (author), RM Cooke (author), Roger M. Cooke (author), R. M. Cooke (author), E. Evers (author), IHJ van der Fels-Klerx (author), L.H.J. Goossens (author), LHJ Goossens (author), W. Jacobs-Reitsma (author), M de Jong (author), Joost Wagenaar (author), A de Wit (author)