1. Chair of Building Physics, Department of Mechanical and Process Engineering, ETH Zürich (Swiss Federal Institute of Technology in Zürich), Zürich 8093, Switzerland
2. Univ. Grenoble Alpes, CNRS, LIPhy, Grenoble F-38000, France
3. Department of Civil and Building Engineering, Université de Sherbrooke, Sherbrooke J1K 2R1, Québec, Canada