David Cifu is an American physiatrist, researcher, and medical educator. He is the Associate Dean for Innovation and System Integration in the School of Medicine at Virginia Commonwealth University School of Medicine, the chairman and Herman J. Flax M.D. Professor of the Department of Physical Medicine and Rehabilitation at Virginia Commonwealth University, staff physiatrist at the Hunter Holmes McGuire Veterans Administration Medical Center, founding director of the VCU-Center for Rehabilitation Science and Engineering and senior TBI specialist in the Department of Veterans Affairs' Veterans Health Administration. Henry L. Lew is Professor and Director of Rehabilitation Medicine Education, Office of Medical Education, John A Burns School of Medicine, University of Hawaii at Manoa, Honolulu, Hawaii; Adjunct Professor, Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University School of Medicine, Richmond, Virginia, USA.