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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.

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