I came across this document - not sure if you have already read, but posted anyway. The document evaluates various clinics that provide stem cell therapy.
http://www.cellmedicinesociety.org/attachments/069_ICMS - Report - Off Shore Stem Cell Clinics.pdf
http://www.cellmedicinesociety.org/attachments/069_ICMS - Report - Off Shore Stem Cell Clinics.pdf