1. B.H. Greenfield, PT, PhD, OCS, is Assistant Professor, Division of Physical Therapy, Department of Rehabilitation, Emory University School of Medicine, and Affiliated Faculty, Center for Ethics, Emory University, 1462 Clifton Rd NE, Suite 312, Atlanta, GA 30322 (USA).
2. G.M. Jensen, PT, PhD, FAPTA, is Graduate Dean and Associate Vice President, Academic Affairs, Professor, Department of Physical Therapy, and Faculty Associate, Center for Health Policy and Ethics, Creighton University, Omaha, Nebraska.