1. The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia.
2. Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia.
3. The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia.
4. Laboratoire d'Organogénèse Expérimentale, Hôpital du Saint-Sacrement du CHA, and Department of Surgery, Québec, Canada.
5. School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia.