Polymer optical fiber sensors in wearable devices: toward novel instrumentation approaches for gait assistance devices - Leal-Junior, Arnaldo; Frizera Neto, Anselmo; Vargas-Valencia, Laura; Santos, Wilian Miranda dos; Bó, Antonio Padilha Lanari; Siqueira, Adriano Almeida Gonçalves; Pontes, Maria José (IEEE Sensors Journal, 2018)