| Thailand | Turkey | Austria | |
| Stem cell therapy for ankylosing spondylitis | from $6,000 / ฿204,000 | from $7,000 / ฿238,000 | from $20,000 / ฿680,000 |
Specialized in regenerative medicine with American Board certification – Dr. Thongthaisin leads stem cell therapy at Vega Clinic.