About the Authors

Aderbal R. T. Silva

Affiliations Research Center (CIPE), A. C. Camargo Hospital, Sao Paulo, Brazil, Brazilian Brain Bank of the Aging Brain Study Group - Laboratory of Medical Investigations 22 (LIM 22), São Paulo, Brazil

Lea T. Grinberg

Affiliations Memory and Aging Center, Department of Neurology, University of California San Francisco, San Francisco, California, United States of America, Brazilian Brain Bank of the Aging Brain Study Group - Laboratory of Medical Investigations 22 (LIM 22), São Paulo, Brazil

Jose M. Farfel

Affiliations Brazilian Brain Bank of the Aging Brain Study Group - Laboratory of Medical Investigations 22 (LIM 22), São Paulo, Brazil, Division of Geriatrics, Medical School, University of Sao Paulo, Sao Paulo, Brazil

Breno S. Diniz

Affiliation Laboratory of Neuroscience - Laboratory of Medical Investigations 27 (LIM 27) - Department and Institute of Psychiatry, Medical School, University of Sao Paulo, Sao Paulo, Brazil

Leandro A. Lima

Affiliation Research Center (CIPE), A. C. Camargo Hospital, Sao Paulo, Brazil

Paulo J. S. Silva

Affiliation Department of Computer Science, Institute of Mathematics and Statistics, University of Sao Paulo, Sao Paulo, Brazil

Renata E. L. Ferretti

Affiliations Brazilian Brain Bank of the Aging Brain Study Group - Laboratory of Medical Investigations 22 (LIM 22), São Paulo, Brazil, Division of Geriatrics, Medical School, University of Sao Paulo, Sao Paulo, Brazil

Rafael M. Rocha

Affiliation Research Center (CIPE), A. C. Camargo Hospital, Sao Paulo, Brazil

Wilson Jacob Filho

Affiliations Brazilian Brain Bank of the Aging Brain Study Group - Laboratory of Medical Investigations 22 (LIM 22), São Paulo, Brazil, Division of Geriatrics, Medical School, University of Sao Paulo, Sao Paulo, Brazil

Dirce M. Carraro

Affiliation Research Center (CIPE), A. C. Camargo Hospital, Sao Paulo, Brazil

Helena Brentani

helena.brentani@gmail.com

Affiliation Laboratory of Clinical Pathology - Laboratory of Medical Investigations 23 (LIM 23), Department and Institute of Psychiatry, Medical School, University of Sao Paulo, Sao Paulo, Brazil

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HB LG JF BD. Performed the experiments: AS. Analyzed the data: AS LL PS HB. Contributed reagents/materials/analysis tools: RR DC WF RF. Wrote the paper: AS BD HB.