1. Department of Physical Therapy and Human Movement Sciences, Feinberg School of Medicine Northwestern University Chicago Illinois USA
2. School of Physical Education and Sport of Ribeirão Preto University of São Paulo Ribeirão Preto Brazil
3. Department of Biomedical Engineering, McCormick School of Engineering Northwestern University Chicago Illinois USA
4. Department of Clinical and Experimental Sciences Universita degli Studi di Brescia Brescia Italy
5. School of Human Kinetics and Recreation Memorial University of Newfoundland St. John's Canada