Xiaowu Gai, PhD (IMAGE) Children's Hospital Los Angeles Caption Dr. Xiaowu Gai, Director of Bioinformatics, Center for Personalized Medicine at CHLA and colleagues identified two classes of genetic variants associated with pediatric chordoma, a rare and lethal bone cancer. Credit CHLA Usage Restrictions none License Original 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.