1. R. Escorpizo, PT, DPT, MSc, is Research Scientist, Department of Health Sciences and Health Policy, University of Lucerne, Lucerne, Switzerland, and at Swiss Paraplegic Research, Nottwil, Switzerland; and ICF Research Branch, WHO FIC CC Germany (DIMDI) at Swiss Paraplegic Research, Nottwil, Switzerland, and at Institute for Health and Rehabilitation Sciences (IHRS), Ludwig Maximilian University,
2. G. Stucki, MD, MS, is Professor and Chair, Department of Health Sciences and Health Policy, University of Lucerne, Lucerne, Switzerland, and at Swiss Paraplegic Research, Nottwil, Switzerland; Director, Swiss Paraplegic Research, Guido A. Zäch Strasse 4, CH-6207 Nottwil, Switzerland; and Director, ICF Research Branch, WHO FIC CC Germany (DIMDI) at Swiss Paraplegic Research, Nottwil, Switzerland,
3. A. Cieza, PhD, MPH, is Senior Scientist, Institute for Health and Rehabilitation Sciences (IHRS), Ludwig Maximilian University, Munich, Germany; Swiss Paraplegic Research, Nottwil, Switzerland; and ICF Research Branch, WHO FIC CC Germany (DIMDI) at Swiss Paraplegic Research, Nottwil, Switzerland, and at Institute for Health and Rehabilitation Sciences (IHRS), Ludwig Maximilian University, Munich,
4. K. Davis, PT, DPT, is Faculty Member, College of Health Sciences and Post-Professional Doctor of Physical Therapy Program, Des Moines University, Des Moines, Iowa, and Physical Therapist, Sandhills Physical Therapy & Sports Rehab, North Platte, Nebraska.
5. T. Stumbo, PT, MS, is Associate Professor and Associate Dean, College of Health Sciences, Des Moines University, and Director, Post-Professional Doctor of Physical Therapy Program, Des Moines University.
6. D.L. Riddle, PT, PhD, FAPTA, is Otto D. Payton Professor, Department of Physical Therapy, Virginia Commonwealth University, Medical College of Virginia Campus, Richmond, Virginia.