1. Department of Internal Medicine, University Hospital of Santiago de Compostela, 15706 A Coruña, Spain
2. Department of Psychiatry, Radiology, Public Health, Nursing and Medicine, University of Santiago de Compostela, 15782 A Coruña, Spain
3. Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Santiago de Compostela, 15782 A Coruña, Spain