1. Aging Research Center, Korean Research Institute of Bioscience and Biotechnology, Daejeon, Korea.
2. Department of Biological Sciences, Inha University Incheon, Korea.
3. Department of Pharmaceutical Sciences, University of California, Irvine, California.
4. Insan Daejin High School, Goyang, Korea.
5. Division of Radiation Effect Research, Radiation Health Research Institute, Korea Hydro & Nuclear Power Co., Ltd., Seoul, Korea.