Hematoma, Subdural, Chronic

Not specified

• Beijing Luhe Hospital, Capital Medical University — Beijing, Beijing Municipality, China
• First People's Hospital of Lianyungang — Lianyungang, Jiangsu, China
• Beijing Tiantan Hospital, Capital Medical University — Beijing, China

• Sahlgenska University Hospital — Gothenburg, Sweden
• Skåne University Hospital — Lund, Sweden
• Karolinska Hospital — Stockholm, Sweden
• Norrlands Universitetssjukhus — Umeå, Sweden

• University Hospital Hradec Kralove — Hradec Králové, Czechia

• Sohag University — Sohag, Egypt

• University of Manitoba — Winnipeg, Manitoba, Canada

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• Carondelet St Joseph's Hospital — Tucson, Arizona, United States
• John Muir Physician Network Clinical Research Center — Walnut Creek, California, United States
• Swedish Medical Center — Englewood, Colorado, United States

• Barrow Neurological Institute — Phoenix, Arizona, United States
• Carondolet St. Joseph's — Tucson, Arizona, United States
• Riverside Community Hospital — Riverside, California, United States
• Santa Barbara Cottage Hospital — Santa Barbara, California, United States

• Services Institute of Medical Sciences / Services Hospital — Lahore, Punjab Province, Pakistan

• University Hospitals Plymouth NHS Trust — Plymouth, United Kingdom