Journal article (2006) - Annuska M. Glas (author) , A Floore (author) , Lodewyk Wessels (author) , LJ van 't Veer (author) , LJMJ Delahaye (author) , AT Witteveen (author) , RCF Pover (author) , N Bakx (author) , JST Lahti-Domenici (author) , TJ Bruinsma (author) , MO Warmoes (author) , Rene Bernards (author)