F.  Lorussi, Carbonaro, N., De Rossi, D., and Tognetti, A., ?Evaluation of wearable KPF goniometers in knee flexion-extension measurement for daily-life applications?, in Proceedings of Wireless EAI 4th International Conference on Mobile Communication and Healthcare (Mobihealth), 2015, pp. 1-4 [Online]. Available: http://dl.acm.org/citation.cfm?id=2897477