Grayson, Warren L.
Bunnell, Bruce A.
Martin, Elizabeth
Frazier, Trivia
Hung, Ben P.
Gimble, Jeffrey M.
Article History
First Online: 6 January 2015
Competing interests
: J.M.G. is co-founder, co-owner and Chief Scientific Officer of LaCell, a biotechnology company focusing on the clinical translation of stromal-cell and stem-cell science. The other authors declare no competing interests.