Journal article (2008) - J.F. Creemer (author), S Helveg (author), GH Hoveling (author), S Ullmaan (author), AM Molenbroek (author), Pasqualina Sarro (author), Pasqualina M. Sarro (author), Lina Sarro (author), Pasqualina M Sarro (author), Henny Zandbergen (author), Henny W. Zandbergen (author), H. W. Zandbergen (author), H.W. Zandbergen (author)