1. Department of Pharmaceutical
Sciences, College of Pharmacy, 203 Pharmacy Building, Oregon State University, Corvallis, Oregon 97331, United
States
2. Bruker BioSpin, 15 Fortune Drive, Billerica, Massachusetts
01821, United States
3. Department
of Zoology, Nelson Mandela Metropolitan University, PO Box 77000,
Port Elizabeth 6031, South Africa
4. Department of Chemistry, Rhodes University, PO Box 94, Grahamstown 6140, South
Africa