Cerebrospinal Fluid Leak

• Riga East Clinical University Hospital — Riga, Latvia

• Military University Hospital Prague — Prague, Czechia

• Department of Neurosurgery of Medical Univeristy of Warsaw — Warsaw, Poland

• Indiana University — Indianapolis, Indiana, United States

• Keck Medical Center at USC — Los Angeles, California, United States
• Mayo Clinic — Jacksonville, Florida, United States
• Tampa General Hospital — Tampa, Florida, United States
• Augusta University — Augusta, Georgia, United States

• Medical Center - University of Freiburg, Germany — Freiburg im Breisgau, Germany

Not specified

• Bagcılar Training Research Hospital — Istanbul, Bagci̇lar, Turkey (Türkiye)

• The Second Affiliated Hospital of Shantou University Medical College — Shantou, Guangdong, China
• Huazhong University of Science and Technology Union Shenzhen Hospital (Shenzhen Nanshan People's Hospital) — Shenzhen, Guangdong, China
• Shenzhen Second People's Hospital — Shenzhen, Guangdong, China
• The First Affiliated Hospital of Nanchang University — Nanchang, Jiangxi, China

• Peking University Third Hospital — Beijing, China
• Xuanwu Hospital, Capital Medical University — Beijing, China
• Nanfang Hospital, Southern Medical University — Guangzhou, China
• The First Affiliated Hospital of Nanchang University — Nanchang, China