1. Department of Life Sciences, University of Bath, Bath BA2 7AY, U.K.
2. School of Chemistry, Cardiff University, Cardiff CF10 3AT, Wales, U.K.
3. Medical Research Council Centre for Medical Mycology at the University of Exeter, University of Exeter, Exeter EX4 4DQ, U.K.
4. Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98125, Italy