1. Fraunhofer Institute for Industrial Mathematics ITWM, Kaiserslautern, Germany
2. Center for Cognitive Science, University of Kaiserslautern, Kaiserslautern, Germany
3. Junior Research Group wearHEALTH, Department of Computer Science, University of Kaiserslautern, Kaiserslautern, Germany
4. Facultad de Lenguas y Educación, Universidad Nebrija, Madrid, Spain