1. Department of Chemistry, University of Western Ontario, London, Ontario, N6A 5B7, Canada
2. Bruker Switzerland AG, Fällanden, Switzerland
3. Bruker Biospin Corporation, 15 Fortune Drive, Billerica, MA 01821, USA
4. Bruker Biospin Ltd., 2800 High Point Drive, Suite 206, Milton, Ontario L9T 6P4, Canada
5. National High Magnetic Field Laboratory, 1800 East Paul Dirac Drive, Tallahassee, Florida 32310, USA
6. Metrology, National Research Council Canada, Ottawa, Ontario K1A 0R6, Canada