1 Department of Psychiatry, Complejo Hospitalario Universitario de Santiago, Santiago de Compostela, Spain. Electronic address: manuel.arrojo.romero@sergas.es.
2 Department of Psychiatry, Complejo Hospitalario Universitario de Santiago, Santiago de Compostela, Spain.
3 Mental Health Research Center, Eastern State Hospital, Lexington, KY, USA; Biomedical Research Centre in Mental Health Net (CIBERSAM), Santiago Apóstol Hospital, University of the Basque Country, Vitoria, Spain.