One of the most pressing objectives of medical research today is the development of approaches to restore the function of damaged tissues. An important goal for this work is the isolation of stem cell populations to replace missing or nonfunctioning cells....

This paper assesses and measures regulatory governance in 21 infrastructure regulators in Brazil. Regulatory Governance is decomposed into four main attributes: autonomy; decision-rules; means and tools; and accountability. A ranking is proposed and the main areas for improvement identified....