1. Department of Chemistry, Faculty of Sciences University of Kinshasa Kinshasa Democratic Republic of the Congo
2. Research Center for Theoretical Chemistry and Physics in Central Africa Faculty of Science, University of Kinshasa Kinshasa Democratic Republic of the Congo
3. Department of Chemistry Hanyang University Seoul South Korea
4. Faculty of Sciences, Laboratory of Physical and Theoretical Chemistry University of Yaoundé I Yaoundé Cameroon
5. Department of Chemistry, KU Leuven Leuven Belgium
6. Institute for Computational Science and Technology (ICST) Ho Chi Minh City Vietnam