1. Dr. Senckenbergisches Chronomedizinisches Institut, Goethe-University; Frankfurt/Main D-60590 Germany
2. Department of Pathology; University of Sao Paulo Medical School; Sao Paulo Brazil
3. Morphological Brain Research Unit, Psychiatric Clinic, Julius Maximilians University Würzburg; Würzburg D-97080 Germany
4. The New York Brain Bank/Taub Institute, The Presbyterian Hospital and Columbia University; New York NY
5. Department of Pathology and Medical Biology; University Medical Center Groningen University of Groningen; RB Groningen NL-5970 The Netherlands