1. Secretary of State for Security, Ministry of Interior , Spain
2. Centro de Investigación en Ciencias Forenses y de la Seguridad, Autonomous University of Madrid , Spain
3. University of Barcelona , Spain
4. Autonomous University of Madrid , Spain
5. University of Valencia , Spain
6. Centro de Investigación Mente, Cerebro y Comportamiento, University of Granada , Spain
7. Miguel Hernández University , Spain
8. University of the Balearic Islands , Spain
9. General Secretary of Penitentiary Institutions, Ministry of the Interior , Spain
10. Criminal Behavior Analysis Section (SACD), Spanish Guardia Civil , Spain
11. Secretary for State Security, Ministry of Interior , Spain