1. Department of Spinal Rehabilitation, Loewenstein Rehabilitation Hospital, Raanana, Israel
2. Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
3. School of Mathematical Sciences, Tel Aviv University, Tel Aviv, Israel
4. Physical Medicine and Rehabilitation Institute, Udine, Italy
5. CMRRC-RP, Rovisco Pais Hospital, Tocha, Portugal
6. Universidade de São Paulo, Ribeirão Preto, Brazil
7. Istanbul Physical Medicine and Rehabilitation Hospital, University of Health Sciences, Istanbul, Turkey