| Turkey | Austria | Spain | |
| Plasmapheresis | from $1,200 | from $2,000 | from $1,800 |
| Selective Apheresis | from $1,550 | - | - |
| DFPP Plasmapheresis | from $1,850 | - | - |
Dr. Mustafa Serdar Sag is a rheumatologist at Medipol Acibadem District Hospital in Istanbul. He specializes in treating ankylosing spondylitis and rheumatoid arthritis. Dr. Sag holds dual board certifications in Physical Medicine and Rehabilitation and Rheumatology.
Dr. Vafa Guliyeva is a pediatric rheumatologist at Memorial Göztepe Hospital in Istanbul. She is a prolific researcher. She has authored 20 articles in international peer-reviewed journals. Dr. Guliyeva completed her subspecialty training at Istanbul University and Istanbul Cerrahpaşa University.