B. Song, M. Marschollek, K. Wolf, M. Gietzelt, T. Franken, and R. Haux. MEDINFO 2010 - Proceedings of the 13th World Congress on Medical
Informatics, volume 160 of Stud Health Technol Inform, page 48--52. Amsterdam, IOS Press, (2010)
T. Linner, M. Kranz, L. Roalter, and T. Bock. Proceedings of the 2010 Sixth International Conference on Intelligent Environments, page 295--300. Washington, DC, USA, IEEE Computer Society, (July 2010)