Subjective Cognitive Decline (SCD)

• Gachon University Gil medical Center — Incheon, South Korea
• Inha University Hospital — Incheon, South Korea
• Ewha Womans University Mokdong Hospital — Seoul, South Korea

• Casa di Cura Igea — Milan, Michigan, Italy

• Fundació Pasqual Maragall — Barcelona, Catalonia, Spain

Not specified

• Senior Department of Oncology，Chinese PLA General Hospital — Beijing, Beijing Municipality, China
• Xiyuan Hospital of CACMS — Beijing, Beijing Municipality, China
• Jiangsu Province Hospital (The First Affiliated Hospital with Nanjing Medical University) — Nanjing, Jiangsu, China
• Qingdao Traditional Chinese Medicine Hospital, Qingdao Hiser Hospital Affiliated of Qingdao University — Qingdao, Shandong, China

• China Medical University Hospital — Taichung, Taiwan

• Rotman Research Institute — Toronto, Ontario, Canada

• Medical University of Innsbruck — Graz, Styria, Austria
• Medical University of Innsbruck — Innsbruck, Tyrol, Austria
• Medical University of Vienna — Vienna, Austria

• Hôpital Universitaire de Bruxelles — Brussels, Belgium

• Dawei Wu — Beijing, Beijing Municipality, China