1. Department of Psychiatry, Jimenez Diaz Foundation Hospital, Madrid, Spain
2. Department of Psychiatry, Rey Juan Carlos University Hospital, Móstoles, Spain
3. Department of Psychiatry, Madrid Autonomous University, Spain
4. Department of Psychiatry, General Hospital of Villalba, Madrid, Spain
5. Department of Psychiatry, Infanta Elena University Hospital, Valdemoro, Spain