Department of Functional Proteomics, Medizinisches Proteom-Center, Ruhr-Universität Bochum, Bochum, Germany. Department of Cytology, Institute of Anatomy, Ruhr-Universität Bochum, Bochum, Germany. Department of Anatomy and Molecular Embryology, Institute of Anatomy, Ruhr-Universität Bochum, Bochum, Germany. Physiopathology in Aging Lab/Brazilian Aging Brain Study Group - LIM22, University of Sao Paulo Medical School, Sao Paulo, Brazil. Department of Medical Proteomics/Bioanalytics, Medizinisches Proteom-Center, Ruhr-Universität Bochum, Bochum, Germany. Physiopathology in Aging Lab, Geriatrics Discipline, University of Sao Paulo Medical School, Sao Paulo, Brazil. Clinical Neurochemistry, Clinic and Policlinic of Psychiatry, Psychosomatics and Psychotherapy, Bavarian Julius-Maximilians-Universität, Würzburg, Germany. Department of Neurology, Memory and Aging Center, University of California, San Francisco, USA. Laboratory of Clinical Neurobiology, Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Bavarian Julius-Maximilians-Universität, Würzburg, Germany.