Affiliation: | ∗ Pritzker Institute of Biomedical Science and Engineering and Department of Biomedical Engineering, Illinois Institute of Technology, Chicago, Illinois † Department of Surgery, The University of Chicago, Chicago, Illinois ‡ Research Service, Hines Veterans Administration Hospital, Hines, Illinois § Wake Forest Institute of Regenerative Medicine, Wake Forest University Health Sciences, Winston-Salem, North Carolina ∥ Department of Cell Biology, Neurobiology, and Anatomy and the Department of Surgery, Loyola University Medical Center, Maywood, Illinois |