1. Van der Waals-Zeeman Institute, Institute of Physics, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
2. Chair of Building Physics, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland
3. Laboratory for Multiscale Studies in Building Physics, Empa, Swiss Federal Laboratories for Materials Science and Technology, 8600 Dubendorf, Switzerland
4. Department of Civil and Building Engineering, Université de Sherbrooke, 2500, boul. de l'Université, Sherbrooke, Québec, Canada