Ruey-Kang Chang, LA BioMed (IMAGE) LA BioMed Caption Ruey-Kang Chang, M.D., M.P.H., a pediatric cardiologist, will be the lead investigator on a nearly $1 million Challenge Grant awarded to LA BioMed to study Jervell and Lange-Nielsen syndrome, a cause of sudden infant death syndrome. Credit LA BioMed 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.