1. Instituto de Ciencia Molecular
2. Fundació General de la Universitat de València
3. Chemical Resources Laboratory, Tokyo Institute of Technology, R1-21, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
4. Application Laboratory, Rigaku Corporation, 3-9-12 Matsubara-cho, Akishima-shi, Tokyo 196-8666, Japan
5. Department of Chemistry, University of Basel, Spitalstrasse 51, CH 4056 Basel, Switzerland