1. Department of Biomedical Sciences, University of Edinburgh, George Square, Edinburgh EH8 9XD, U.K.
2. National Centre of Genetic Resources and Biotechnology, Cenargen/Embrapa, SAIN-Parque Rural 70789-970, Brasilia, DF, Brazil
3. Research Unit for Tropical Diseases, Christian de Duve Institute of Cellular Pathology and Laboratory of Biochemistry, Université Catholique de Louvain, Brussels, Belgium
4. School of Biochemistry and Molecular Biology, University of Leeds, Leeds LS2 9JT, U.K.