1. Adolphe
Merkle Institute, University of Fribourg, 1700 Fribourg, Switzerland
2. EMPA, Swiss Federal Laboratories for Materials Testing and Research, 8600 Dubendorf, Switzerland
3. Bern University of Applied Sciences, 2560 Nidau, Switzerland
4. TTM, Technik Thermische Maschinen, 5443 Niederrohrdorf, Switzerland