First results from the early bird study, a prospective, noninterventional study to assess effectiveness of abobotulinumtoxinA (Dysport®) in poststroke upper limb spasticity in relation to timing of treatment. (December 2018) - Wissel, Jörg; Hoonhorst, Maurits; Müngersdorf, Martina; Gallien, Philippe; Meier, Niklaus; Hefter, Harald; Koch, Manuel; Raymond, Romain; Fheodoroff, Klemens