1. Universidad Nacional de San Agustín de Arequipa, Peru
2. Center of Biomedical Technology, Laboratory of Cognitive and Computational Neuroscience, Madrid, Spain
3. Department of Nuclear Medicine, National Institute of Neoplastic Diseases, Lima, Peru
4. Universidad Peruana Cayetano Heredia (UPCH), Lima, Peru
5. Psychiatry Department, University of California, San Diego, CA, USA
6. Neurology Department, Clinic Vallesur AUNA, Arequipa, Peru
7. Universidad Católica de Santa María, Arequipa, Peru