1. CICAB, Clinical Research Centre, Extremadura University Hospital and Medical School, Badajoz, Spain.
2. Centro de Salud Mental, Área de Salud Zafra-Llerena, Servicio Extremeño de Salud, Llerena, Spain.
3. Department of Analytical Chemistry and Food Technology, Faculty of Pharmacy, University of Castilla-La Mancha, Albacete, Spain.
4. Centro Comunitario de Salud Mental Habana Vieja, La Habana, Cuba.