1. Swiss Center of Affective Sciences, Faculty of Psychology and Educational Sciences, University of Geneva, 1205 Geneva, Switzerland
2. Department of Social Sciences, University of Valle D’Aosta, 11100 Aosta, Italy
3. Maternal and Child Department, Parini Hospital, 11100 Aosta, Italy
4. Department of Clinical Pathology, Parini Hospital, 11100 Aosta, Italy