[1] Univ Deusto, Fac Psychol & Educ, Dept Methods & Expt Psychol, Avda Univ 24, Bilbao 48007, Spain
[2] Hosp Psiquiatr Alava, Refractory Psychosis Unit, Vitoria, Spain
[3] Univ Basque Country UPV EHU, Sch Med & Odontol, Dept Neurosci, Psychiat Sect, Vizcaya, Spain
[4] Univ Basque Country UPV EHU, Fac Educ & Sport, Dept Phys Educ & Sport, Vitoria, Spain