Journal article (2007) - R Ceuppens (author) , D Dumont (author) , L Arckens (author) , L van Brussel (author) , B van der Plas (author) , R Daniels (author) , JP Noben (author) , PDEM Verhaert (author) , E van der Gucht (author) , J Robben (author) , S Clerens (author)