1. Department of Chemistry, Faculty of Science, University of Cairo, Giza, Egypt;
2. Department of Chemistry, Faculty of Science, Islamic University, Madinah, Saudi Arabia;
3. Egyptian Academy for Engineering & Advanced Technology (EAE & AT) Affiliated to Ministry of Military Production, Cairo, Egypt;
4. Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Toruń, Poland;
5. Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Erlangen, Germany;
6. Faculty of Chemistry, Jagiellonian University, Krakow, Poland