Degenerative Disc Disease

• BG Unfallklinik — Frankfurt am Main, Germany
• Schon Klinik Munchen — München, Germany
• UVN — Ružomberok, Slovakia

Not specified

• Bergman Clinics — Naarden, Netherlands

Not specified

• Texas Back Institute-West — Phoenix, Arizona, United States
• Southern California Institute of Neurological Surgery — Escondido, California, United States
• Massoudi & Jackson Neurosurgical Association — Laguna Hills, California, United States
• Memorial Orthopaedic Surgical Group — Long Beach, California, United States

• Department of Neurosurgery, Bergman Clinics — Naarden, Netherlands

• Brigham and Women's Hospital — Chestnut Hill, Massachusetts, United States

• Moloney & Associates — Wollongong, Australia
• Isala Klinik — Zwolle, Netherlands

• Moloney & Associates — Wollongong, Australia

• Sana Kliniken Sommerfeld — Kremmen, Germany
• St. Bonifatius Hospital Lingen — Lingen, Germany