1. Wallace H. Coulter Department of Biomedical Engineering, Parker H. Petit Institute for Bioengineering & Bioscience, Georgia Institute of Technology, Atlanta, Georgia.
2. Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, California.
3. George W. Woodruff School of Mechanical Engineering, Parker H. Petit Institute for Bioengineering & Bioscience, Georgia Institute of Technology, Atlanta, Georgia.