Kristina Xiao Liang (IMAGE) The University of Bergen Caption Kristina Xiao Liang is Group Leader in Mitochondrial Stem Cell Research Group at the University of Bergen. Credit University of Bergen Usage Restrictions This photo should only be used when refering to this specific news release by the University of Bergen. 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.