1. Department of Mechanical and Process Engineering, ETH Zürich, Leonhardstrasse 21, CH-8092 Zurich, Switzerland
2. European Synchrotron Radiation Facility, BP 220, F-38043 Grenoble Cedex, France
3. Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1−5, CH-8093 Zürich, Switzerland