Journal article (2008) - R.J. Berger (author), JA Moulijn (author), J.A. Moulijn (author), Jacob A. Moulijn (author), Y Schuurman (author), Freek Kapteijn (author), F. Kapteijn (author), GB Marin (author), J. de Wilde (author), M Olea (author), D Chen (author), A Holmen (author), L Lietti (author), E Tronconi (author)