Book chapter (2009) - MG Vosselman (author), MG Vosselman (author), FH Schröder (author), R van Essen (author), L Heres (author), AJ Klijnjan (author), RJGA Kroon (author), J.E. Stoter (author), P.J.M. van Oosterom (author), RPE van Rossem (author)

Journal article (2007) - H van Mook (author), L de Wildt (author), R van Essen (author), RD Damstra (author), L. Koskamp (author), J.H. Baggen (author), A.R. Hale (author)