regenerative medicine

I should begin by saying that I understand the regenerative medicine isn't a specialty in itself and in generally stem cell treatments aren't especially common, but I am interested in becoming a physician-scientist and do translation stem cell research while still practicing medicine. So...

Which surgical specialty/sub-specialization will be best poised to exert leadership in this emerging area of the field, and why is it a cut above the others for the next ~30yrs? Curious what people think off the cuff. Any evidence you can cite/share? Caveat: if answering CT, myocardium...

Good, basic overview for those following the regulatory issues in this field. http://www.bioinformant.com/fda-public-hearing-part-15/