1 Institute for Medical Research and Occupation Health, Zagreb, Croatia ; Department of Neurology, County Hospitals of Altötting-Burghausen, Altötting, Germany.
2 Department of Neurology, Dokuz Eylül University, Izmir, Turkey.
3 Dementia Care and Research Center, Peking University Institute of Mental Health, Beijing, China.
4 Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan.
5 Department of Geriatric Neurology, Chinese People's Liberation Army General Hospital, Beijing, China.
6 Department of Neurology, Kaohsiung Medical University Hospital and Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.