Nose cell transplant enables paralysed dogs to walk

Another location to harvest stem cells from.
 http://www.bbc.co.uk/news/health-20365355
Other ones like:
1. Skin cells
2. Bone marrow
3. Placenta
4. Umbilical cord blood
5. hair follicles
6. menstrual blood
7. fat cells
8. liver cells
9. Dental pulp

10. Stem Cell Scaffolding

11. Converting fibroblasts into functional neurons 

So get your doctor involved, this is going to take years to figure out.