1. Department
of Chemistry, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.
2. Department
of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, U.K.
3. Biozentrum, University of Basel, 4056 Basel, Switzerland
4. NMR
Institute and Tehnomeedikum, Tallinn University of Technology, Akadeemia
tee 15a, 19086 Tallinn, Estonia