| Turkey | Austria | Spain | |
| Stem cell therapy for chronic pain | from $6,500 | from $13,000 | from $12,000 |
| Spinal cord stimulator (SCS) | from $23,400 | from $32,000 | from $22,928 |
| Microcurrent Therapy | from $750 | - | - |
Head of Neurology at Quironsalud Madrid with 100+ clinical trials led – Dr. Arroyo specializes in chronic pain research and treatment.
Dr. Oriol Franch heads the neurology departments at two major hospitals in Madrid. He is a specialist in complex diagnostic cases and second medical opinions. Dr. Franch focuses on neuro-ophthalmology, movement disorders, and rare neurogenetic conditions. He works at the JCI-accredited Hospital Ruber Internacional, ranked among Spain's top six hospitals.