Hematoma, Subdural, Chronic

• The Second Affiliated Hospital of Anhui Medical University — Hefei, Anhui, China

Not specified

• Yale Neurosciences Institute — New Haven, Connecticut, United States
• University of Washington Medicine - Harborview Medical Center — Seattle, Washington, United States

Not specified

Not specified

• Westchester Medical Center — Valhalla, New York, United States
• University of Pennslyvania — Philadelphia, Pennsylvania, United States

Not specified

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

• 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