1. “Segre-Capitani” NMR Laboratory, Institute for Biological Systems (ISB-CNR); National Research Council of Italy; Rome Italy
2. Center for Research and Physical-Chemical and Biological Investigations; National Museum of Romanian History; Bucharest Romania
3. Advanced Research for Cultural Heritage Group (ARCH Lab); National Research and Development Institute for Textiles and Leather, ICPI Division; Bucharest Romania
4. Department of Chemistry, Faculty of Sciences; University of Craiova; Craiova Romania