S. Goemaere - Ghent University
B. Dellaert - Department of Business Economics, Erasmus Rotterdam University, Rotterdam
C. Dirksen - Department of Clinical Epidemiology and Medical Technology Assessment
T. van der Weijden - Maastricht University
J.-Y. Reginster - University of Liège
V. Watson - University of Aberdeen
A. Boonen - Department of Internal Medicine
M. Hiligsmann - Maastricht University