1. Institute of Inorganic Chemistry, RWTH Aachen University and JARA – Fundamentals of Future Information Technologies Landoltweg 1, 52074 Aachen, Germany, http://www.ac.rwth‐aachen.de/extern/ak‐simon/ulrich_simon.htm
2. Bruker AXS GmbH, Everbright International Trust Mansion 11 Zhong Guan Cun South Street, 100081 Beijing, China