Evelyn Ullrich (IMAGE) Goethe University Frankfurt Caption Professor Dr. Evelyn Ullrich, Universitätsmedizin Frankfurt Credit Peter Kiefer for Goethe University Usage Restrictions To be used only when reporting on Goethe University Frankfurt or Universitaetsmedizin Frankfurt, Germany. Indicate copyright: Peter Kiefer for Goethe University 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.