In: Proceedings of the 2017 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2017 ACM International Symposium on Wearable Computers. International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp-17), September 11-15, Maui, Hawaii, USA, Pages 893-897, UbiComp '17, ISBN 978-1-4503-5190-4, ACM, New York, NY, USA, 2017.