1. ENNOVA L.L.C., Stafford, Texas 77477, United States
2. Rice University, Department of Chemical and Biomolecular Engineering, Houston, Texas 77007, United States
3. Petroleum Research Center, Kuwait Institute for Scientific Research, P.O. Box: 24885, Safat 13109 Kuwait
4. Kuwait Oil Company, P.O. Box 9758, Ahmadi 61008, Kuwait