- Correspondence to Iannis E Adamopoulos, Shriners Hospital for Children Northern California, Institute for Pediatric Regenerative Medicine, 2425 Stockton Blvd, Room 653A, Sacramento, CA 95817, USA; and Edward P Bowman, Department of Therapeutic Area Biology and Pharmacology, Merck Research Laboratories, 901 California Avenue, Palo Alto, CA 94304, USA; Eddie.Bowman@merck.com
- Received October 21, 2013
- Revised January 10, 2014
- Accepted January 24, 2014
- First published February 23, 2014.
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