1. S Ohgi, PT, PhD, is Professor, School of Rehabilitation Sciences, Seirei Christopher University, 3453 Mikatahara, Kita-ku, Hamamatsu, Shizuoka 433-8558, Japan
2. S Morita, PhD, is Associate Professor, Shizuoka University, Hamamatsu, Shizuoka, Japan
3. KK Loo, MD, is Associate Professor, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California
4. C Mizuike, MSc, is Assistant Professor, Seirei Christopher University