1. Mewbourn School of Petroleum and Geological Engineering, The University of Oklahoma, Norman, OK, USA
2. Department of Chemical Engineering, The University of the West Indies, St. Augustine, Trinidad and Tobago
3. Department of Petroleum Engineering, Baku Higher Oil School, Baku, Azerbaijan
4. Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Zagreb, Croatia
5. Abu Dhabi National Oil Company, Abu Dhabi, UAE
6. Consultant, Dallas, TX, USA
7. Department of Chemistry, International Hellenic University, Kavala, Greece
8. Chemical and Petroleum Engineering, The University of Kansas, Lawrence, KS, USA