1. Pharmaceutical analysis Laboratory, College of Pharmacy, University of Manitoba, 750 McDermot Avenue West, Winnipeg, Manitoba R3E 0T5, Canada
2. Paul Albrechtsen Research Institute, CancerCare Manitoba, Winnipeg, MB R3E 0 V9, Canada
3. Department of Biochemistry and Medical Genetics, University of Manitoba, Winnipeg, MB R3E 0J9, Canada
4. Faculty of Pharmaceutical Sciences, The University of British Columbia, 2405 Wesbrook Mall, Vancouver, British Columbia V6T 1Z3, Canada