1. Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
2. Drug Discovery Research, Astellas Pharma Inc., Ibaraki, Japan
3. Department of Pathology and TumorBiology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
4. Clinical Research Center, Chiba University of Medicine, Chiba, Japan
5. Gladstone Institute of Cardiovascular Disease, San Francisco, California, USA