1. Carbon Research Laboratory, UDRI Carbon Group, Department of Mechanical Engineering, University of Dayton, Dayton, Ohio.
2. Center for Tissue Regeneration and Engineering (TREND), University of Dayton, Dayton, Ohio.
3. Center for Tissue Innovation & Research, Dayton, Ohio.
4. Boonshoft School of Medicine, Wright State University, Dayton, Ohio.
5. Department of Biology, University of Dayton, Dayton, Ohio.