Wearable robotics : challenges and trends : Proceedings of the 2nd International Symposium on Wearable Robotics, WeRob2016, October 18-21, 2016, Segovia, Spain - González, José (Of Consejo Superior de Investigaciones Científicas); Ibáñez, Jaime; Contreras-Vidal, Jose L.; Kooij, Herman van der; Pons, José L. (Springer, 2017)