1. Department
of Chemistry, The Hashemite University, P.O. Box 150459, Zarqa 13115, Jordan
2. Department
of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, SK S7N 5C9, Canada
3. Department
of Medical Imaging, University of Saskatchewan, 103 Hospital Drive, Saskatoon, SK S7N 0W8, Canada