Leen Van Gestel, Mike Schwartz, Tinne De Laet, Herman Bruyninckx, Guy Molenaers, Anja Van Campenhout, Enrico Di Lello, Erwin Aertbeliën, Hans Wambacq, Paul De Cock, Kaat Desloovere. Dep. of Rehabilitation Sciences, Fac. of Kinesiology and Rehabilitation Sciences, KULeuven, Belgium; Gillette Children’s Specialty healthcare, James R. Gage Center for Gait and Motion Analysis, St. Paul, MN, USA; Un...