Malene Hansen, Ph.D. (IMAGE) Sanford Burnham Prebys Caption Malene Hansen, Ph.D., professor in the Development, Aging and Regeneration Program at Sanford Burnham Prebys Medical Discovery Institute Credit Sanford Burnham Prebys Medical Discovery Institute. Usage Restrictions Please credit Sanford Burnham Prebys Medical Discovery Institute 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.