1. Department of Psychological Medicine, University of Otago, Dunedin, New Zealand
2. Department of Clinical Psychology and Psychotherapy, Philipps-University, Marburg, Germany
3. Department of Education Studies and Psychology, University of Siegen, Siegen, Germany
4. Department of Psychology, Brigham Young University, Provo (UT), USA
5. Department of General Practice and Elderly Care Medicine, Amsterdam UMC, VU University, Amsterdam, The Netherlands