1. Universitat Rovira i Virgili, Unit for the Study and Treatment of Pain – ALGOS, Research Center for Behavior Assessment (CRAMC), Department of Psychology, Carretera de Valls, Tarragona, Spain
2. Institut d’Investigació Sanitària Pere Virgili, Avda. de la Universitat, Reus, Spain
3. Department of Rehabilitation Medicine, University of Washington, Seattle, WA, USA
4. Faculty of Psychology, Andalucía Tech. Campus de Teatinos, Universidad de Málaga, Málaga, Spain
5. Biomedical Research Institute of Málaga (IBIMA), Málaga, Spain