. 2016 May 31;4:78–81. doi: 10.1016/j.reth.2016.04.001
© 2016, The Japanese Society for Regenerative Medicine. Production and hosting by Elsevier B.V.
This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).