| Turkey | Austria | Spain | |
| Stem cell therapy for ankylosing spondylitis | from $7,000 | from $20,000 | from $9,000 |
| Physiotherapy | from $50 | from $600 | from $300 |
| Biological therapy | from $5,500 | from $20,000 | from $15,000 |
Univ. Prof. Dr. Peter Bock is a leading Austrian trauma and orthopedic surgeon, specializing in reconstructive joint surgery at Wiener Privatklinik.
Dr. Grohs has dedicated over 35 years of experience to spine care, leading the Spine Unit at Vienna General Hospital – one of Austria's top medical centers.
Dr. Johannes Grisar is a rheumatologist and Professor at the Medical University of Vienna. He specializes in treating complex autoimmune disorders and inflammatory joint diseases. Dr. Grisar currently serves as a senior consultant at Wiener Privatklinik in Austria. He provides advanced diagnostics for chronic conditions like rheumatoid arthritis and lupus.
Dr. Josef Grohs is a specialist orthopedic surgeon at Döbling Private Hospital in Vienna. He is the current Chair of AO-Spine Austria and focuses on spine surgery. Dr. Grohs once served as President of the Austrian Spine Society. He earned his medical degree and habilitation from the Medical University of Vienna.