1. Department of Anesthesiology, School of Medicine, University of California, San Diego, San Diego, CA, USA
2. Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
3. Regenerative & Cellular Medicine Kobe Center, Sumitomo Dainippon Pharma Co., Ltd., Kobe, Japan
4. Division of Stem Cell Medicine, Department of Advanced Medicine, Medical Research Institute, Kanazawa Medical University, Uchinada, Japan
5. Institute of Animal Physiology and Genetics, AS CR v.v.i., Liběchov, Czech Republic
6. Department of Biomaterials and Bioanalogous System, Institute of Macromolecular Chemistry, Czech Academy of Sciences, Prague, Czech Republic
7. Gene Expression Laboratory, Howard Hughes Medical Institute and Salk Institute for Biological Studies, La Jolla, CA, USA
8. Department of Neurosurgery, School of Medicine, University of California, San Diego, San Diego, CA, USA