1. Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
2. Van ‘t Hoff Institute for Molecular Sciences, University of Amsterdam, P.O. Box 94157, Amsterdam 1090 GD, The Netherlands
3. Conservation & Restoration, Amsterdam School of Heritage, Memory and Material Culture, University of Amsterdam, P.O. Box 94551, Amsterdam 1090 GN, The Netherlands
4. Conservation & Science, Rijksmuseum, P.O. Box 74888, Amsterdam 1070 DN, The Netherlands