. Author manuscript; available in PMC: 2018 Apr 15.
Published in final edited form as: Proc ACM Int Conf Ubiquitous Comput. 2017 Sep;2017:935–940. doi: 10.1145/3123024.3124571
Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.