1. National Museums Scotland, Edinburgh, UK
2. Isabella Stewart Gardner Museum, Boston, MA, USA
3. School of Engineering and Architecture of Fribourg, HES-SO, Fribourg, Switzerland
4. Ecole Européenne de Chimie, Polymères et Matériaux (ECPM), Strasbourg, France
5. Geological Institute, ETH Zurich, Zürich, Switzerland
6. Laboratory of Ion Beam Physics, ETH-Zürich, Zurich, Switzerland