1. Floortje Mols and Lonneke van de Poll-Franse, Center of Research on Psychology in Somatic Diseases, Tilburg University, Tilburg; Floortje Mols, Valery Lemmens, Corina van den Hurk, and Lonneke van de Poll-Franse, Comprehensive Cancer Centre South, Eindhoven Cancer Registry, Eindhoven; Tonneke Beijers and Gerard Vreugdenhil, Maxima Medical Centre, Veldhoven; and Valery Lemmens, Erasmus MC University Medical Centre, Rotterdam, the Netherlands.