Keiko Hatano¹, Ryoji Goto², Masanori Kurihara¹, Ryoko Ihara¹, Mana Higashihara¹, Yasushi Nishina¹, Masashi Kameyama³, Kazutomi Kanemaru¹, Atsushi Iwata¹ (1.Department of Neurology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Japan, 2.Department of Neurology, the University of Tokyo hospital, Japan, 3.Department of Diagnostic Radiology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, Japan)

Takayasu Mishima¹, Shinsuke Fujioka¹, Akihiro Watanabe², Aki Kuratomi³, Hiroyuki Honda⁴, Naokazu Sasagasako², Yoshio Tsuboi¹ (1.Department of Neurology, Fukuoka University Hospital, Japan, 2.Department of Neurology, National Hospital Organization Omuta National Hospital, Japan, 3.Department of Neurology, National Hospital Organization Kumamoto Minami National Hospital, Japan, 4.Department of Neuropathology, Graduate School of Medical Sciences, Japan)

Taku Hatano¹, Genko Oyama¹, Kotaro Ogaki², Yasushi Shimo³, Noriko Nishikawa¹, Taiji Tsunemi¹, Nobutaka Hattori¹, CONST-PD investigators^1,2,3 (1.Department of Neurology, Juntendo University Faculty of Medicine, Japan, 2.Department of Neurology, Juntendo Urayasu Hospital, Japan, 3.Department of Neurology, Juntendo Nerima Hospital, Japan)

Taiji Tsunemi¹, Tomoyo Shimada¹, Anri Hattori¹, Madoka Nakajima², Nobutaka Hattori¹ (1.Department of Neurology, Juntendo University School of Medicine, Japan, 2.Department of Neurosurgery, Juntendo University School of Medicine, Japan)

Fukiko Kitani-morii^1,2, Takashi Kasai¹, Kanako Menjo¹, Takuma Ohmichi¹, Makiko Shinomoto¹, Yuzo Fujino¹, Toshiki Mizuno¹ (1.Department of Neurology, Kyoto Prefectural University of Medicine, Japan, 2.Department of Molecular Pathobiology of Brain Diseases, Kyoto Prefectural University of Medicine, Japan)

Deng Xiao¹, Yilin Ning², Seyed Ehsan Saffari^1,2, Eng-king Tan^1,3, Nan Liu², Louis Cs Tan^1,3 (1.National Neuroscience Institute, Singapore, 2.Centre for Quantitative Medicine, Duke-NUS Medical School, Singapore, 3.Duke-NUS Medical School, Singapore)