1. Earth and Environmental Sciences Division; Los Alamos National Laboratory; Bikini Atoll Road MS J535 Los Alamos NM 87545 USA
2. Laboratory for Multiscale Studies in Building Physics; Swiss Federal Laboratories for Material Science and Technology (Empa); Ueberlandstrasse 129 8600 Duebendorf Switzerland
3. Swiss Light Source; Paul Scherrer Institute; 5232 Villigen Switzerland
4. Centre d'Imagerie BioMedicale; Ecole Polytechnique Federale de Lausanne; 1015 Lausanne Switzerland
5. Chair of Building Physics; ETH Zurich; Stefano-Franscini-Platz 5 8093 Zurich Switzerland
6. Department of Biology; University of New Mexico; Castetter Hall 1480, Yale Boulevard NE Albuquerque NM 87131 USA