1. Department of Psychiatry University Hospital Marqués de Valdecilla IDIVAL Santander Spain
2. Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM) Instituto de Salud Carlos III Madrid Spain
3. Department of Neurodegenerative Disease Institute of Neurology University College of London London UK
4. Department of Psychiatry School of Medicine University Hospital Virgen del Rocío ‐ IBiS Sevilla Spain
5. Department of Psychiatry IDIVAL School of Medicine Sierrallana Hospital University of Cantabria Torrelavega Spain