1. Department Education Science, Università Cattolica del Sacro Cuore, Milan, Italy
2. Department Environment Construction and Design, Institute of Materials and Constructions, University of Applied Sciences and Arts of Southern Switzerland, Mendrisio, Switzerland
3. Foundation Pro Monastery of St John, Müstair, Switzerland
4. Department of Archaeology, Heritage Conservation Studies and Art History, University of Bamberg, Bamberg, Germany