1. School of Sport, Health and Physical Education Sciences, University of
Wales, Bangor, Gwynedd, United Kingdom, Nicholas Institute of Sports
Medicine and Athletic Trauma, Lenox Hill Hospital, New York, New York
2. Department of Physical Education, University of Vermont, Burlington,
Vermont
3. School of Sport, Health and Physical Education Sciences, University of
Wales, Bangor, Gwynedd, United Kingdom
4. Nicholas Institute of Sports Medicine and Athletic Trauma, Lenox Hill
Hospital, New York, New York