1. R Dickstein, PT, DSc, is Associate Professor, Department of Physical Therapy, Faculty of Social Welfare and Health Studies, The University of Haifa, Mount Carmel, Haifa 31905, Israel and Flieman Geriatric Rehabilitation Center, Haifa POB 2263, Israel
2. A Dunsky, MS, is a doctoral student, Graduate Studies Authority, The University of Haifa
3. E Markovitz, MD, is Specialist in Physical Medicine and Rehabilitation, Flieman Geriatric Rehabilitation Center