1. a Center for Biomaterials, University of Connecticut Health Center, Farmington, CT 06030, USA; Center for Regenerative Medicine and Skeletal Development, University of Connecticut Health Center, Farmington, CT 06030, USA
2. b Center for Biomaterials, University of Connecticut Health Center, Farmington, CT 06030, USA; Center for Regenerative Medicine and Skeletal Development, University of Connecticut Health Center, Farmington, CT 06030, USA
3. c Center for Biomaterials, University of Connecticut Health Center, Farmington, CT 06030, USA; Center for Regenerative Medicine and Skeletal Development, University of Connecticut Health Center, Farmington, CT 06030, USA
4. d Department of Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA
5. e Department of Tissue Regeneration, University of Twente, Enschede, The Netherlands
6. f Center for Biomaterials, University of Connecticut Health Center, Farmington, CT 06030, USA; Center for Regenerative Medicine and Skeletal Development, University of Connecticut Health Center, Farmington, CT 06030, USA