1. Department of Psychology, Sapienza University of Rome, 00185 Rome, Italy
2. Department of Psychology, University of Bologna, 40136 Bologna, Italy
3. Department of Human Sciences, University of Rome Guglielmo Marconi, 00193 Rome, Italy
4. Department of Psychiatry and Psychotherapy, Medical Center, University of Freiburg, 79098 Freiburg, Germany
5. Institute of Psychology, Leiden University, 2333 AK Leiden, The Netherlands