Tracy Grikscheit, MD (IMAGE) Children's Hospital Los Angeles Caption Dr. Grikscheit is an attending physician and regenerative medicine scientist at Children's Hospital Los Angeles Credit Children's Hospital Los Angeles Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.