Promoting foot-leg movements in children with multiple disabilities through the use of support devices and technology for regulating contingent stimulation. - Giulio E. Lancioni; Nirbhay N. Singh; Mark F. O'Reilly; Jeff Sigafoos; Doretta Oliva; Lorenza Scalini; Francesca Castagnaro; Mauro Di Bari (Cogn. Process., 2007)