Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: (CNN) An experimental technology offers new hope to patients who have suffered a severe burn. The product, from New York biotech firm RenovaCare, is rooted in cutting-edge stem cell research. The CellMist System harvests a patient's stem cells from a small area of unwounded skin (usually one square inch) and suspends them in a water-based solution. The SkinGun sprays the solution onto the wound, where new skin begins to grow at the cellular level. "We don't modify the cells," said Thomas Bold, an engineer and president and CEO of RenovaCare. "We don't do anything with the cells. We just isolate them from the surrounding tissue, put them in a syringe within a water-based solution, and we spray them.Patient's stem cells are harvested, treated, sprayed on a burn with a SkinGunNearly 500,000 burn injuries require medical treatment each year 
 Question:Not only are patients bothered psychologically, sometimes, their "scars are painful, they're itchy, they're thick, and they cause loss of function," said Rokhsar, who is not affiliated with _.

RenovaCare