1 Department of Neurology, Shandong Provincial Hospital affiliated to Shandong University, Jinan 250021, China.
2 Aging Research Center and Center for Alzheimer Research, Department of Neurobiology, Care Sciences and Society (NVS), Karolinska Institutet, Stockholm, Sweden.
3 Division of Neurogeriatrics and Center for Alzheimer Research, NVS, Karolinska Institutet, Stockholm, Sweden.
4 Department of Neurology, Shenzhen Luohu People's Hospital, Shenzhen 518001, China.
5 Division of Clinical Geriatrics and Center for Alzheimer Research, NVS, Karolinska Institutet, Stockholm, Sweden.
6 Institute of Clinical Medicine/Neurology, University of Eastern Finland, Kuopio, Finland.