**Author details**

Sally Wang1,2, Gregory F. Payne2 and William E. Bentley1,2\*

1 Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA

2 Institute for Bioscience and Biotechnology Research, University of Maryland, College Park, MD, USA

\*Address all correspondence to: bentley@umd.edu

© 2018 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
