1. Berufsfachschule für Medizinisch-Technische Assistenten in der Medizin, Erlangen, Germany
2. Faculty of Science, Department of Chemistry, University of Kragujevac, Kragujevac, Serbia
3. Department of Basic Science, Al-Huson University College, Al-Balqa Applied University, Irbid, Jordan
4. Faculty of Chemistry, Nicolaus Copernicus University in Torun, Toruń, Poland
5. Inorganic Chemistry, Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Erlangen, Germany
6. Central Institute for Scientific Computing (CISC), University of Erlangen-Nuremberg, Erlangen, Germany
7. Computer Chemistry Center, Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Erlangen, Germany