1. Faculty of Industrial Design Engineering, Delft University of Technology, Delft, The Netherlands
2. Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU, Munich, Germany
3. Fraunhofer Institute for Building Physics IBP, Fraunhoferstrasse 10, 83626 Valley, Germany
4. Institut für technische und angewandte Physik GmbH, Oldenburg, Germany
5. Department of Engineering, Nottingham Trent University, Nottingham, UK