"What is the nature of the collaboration with Birchall?
"Have the disclosures concerning Macchiarini altered your direction or delayed your CIRM research?
"Has UCD inquired concerning your CIRM research in the wake of the Macchiarini disclosures? If so, what is the status of that inquiry?
"What is the current status of your research? The CIRM progress report on its web site appears to be old, and you are nearing the final stages of the term of the award.
"Do you plan to apply to CIRM to advance your research into a clinical trial?
"Is there anything else that would be useful for the public to know?"
"Since the initial success with decellularized/re-cellularized human donor trachea, work on synthetic trachea implanted with autologous stem cells has not shown equal promise, and people have died. We have had no involvement in these procedures or investigations.