Hunt, C., Her, Y., Law, L., Bydon, M., Nassr, A., Smith, J., Mauck, W., Eldrige, J., Malanga, G. and Qu, W. (2017) “Five generations of cell preparation: a translational framework for categorizing regenerative stem cell therapies”, Journal of the American Academy of Regenerative Medicine, 1(1). doi: 10.4081/jaarm.2017.7239.