| Turkey | Austria | Spain | |
| Stem cell therapy for COPD | from $12,000 | from $32,000 | from $20,000 |
Dr. Betul Tavil is a professor of pediatric hematology and oncology at Memorial Şişli Hospital. She has successfully treated 500+ children with leukemia. Dr. Tavil is an expert in bone marrow transplantation for complex cases. She manages rare blood disorders, including congenital erythropoietic porphyria and immunodeficiencies. Memorial Şişli Hospital is JCI-accredited and maintains a 90% organ transplant success rate.