1. Department of Clinical, Pharmaceutical and Biological Science, University of Hertfordshire, Hatfield, UK
2. Camden and Islington NHS Foundation Trust, London, UK
3. Department of Psychological, Health and Territorial Science, Universita degli Studi Gabriele d'Annunzio Chieti Pescara, Chieti, Italy
4. Universita degli Studi di Bologna Scuola di Medicina e Chirurgia, Bologna, Italy