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aResearch Group on Health Psychology, Department of Psychology, University of Leuven, Leuven 3000, Belgium
bDepartment of Clinical Psychological Science, Maastricht University, Maastricht, The Netherlands
cCenter for Health and Medical Psychology, Örebro University, Örebro, Sweden
*Corresponding author at: University of Leuven, Research Group on Health Psychology, Department of Psychology, Leuven 3000, Belgium. Tel.: +3 216325915; fax: +3 216325923.