A Low-Cost Video Game Applied for Training of Upper Extremity Function in Children with Cerebral Palsy: A Pilot Study. - Michiel J. A. Jannink; Gelske J. van der Wilden; Dorine W. Navis; Gerben Visser; Jeanine Gussinklo; Maarten J. IJzerman (Cyberpsychology Behav. Soc. Netw., 2008)