1. Faculty of Epistemology and Neuroscience Applied in Education, University Niccolò Cusano, Rome, Italy
2. Department of Psychology, Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, Spain
3. Department of Clinical Psychology and Psychotherapy, University of Trier, Trier, Germany
4. Faculty of Psychology, University Niccolò Cusano, Rome, Italy
5. Associazione Psicologi Tecnici Sportivi, Rome, Italy
6. Independent Researcher, Rome, Italy
7. Department of General Surgery, Martina Franca Hospital, Taranto, Italy
8. Faculty of Psychology, Istituto di Psicoterapia PsicoUmanitas, Rome, Italy
9. Department of Psychology, Portland Institute for Loss and Transition, Portland, Oregon, USA