1. Research Fellow and Chairman, European Organization for Research and Treatment of Cancer (EORTC) Study Group on Quality of Life, Department of Clinical Psychology, University of Amsterdam, Amsterdam, Netherlands
2. Associate Professor, Department of Clinical Psychology, University of Amsterdam
3. Research Assistant, Department of Clinical Psychology, University of Amsterdam
4. Chairman/Professor , EORTC Study Group on Quality of Life/Hematology, School of Medicine, University of Paris VI and Hospital Hotel-Dieu, Paris, France