1. Bioinformatics Research Center, North Carolina State University, Raleigh, North Carolina
2. Department of Horticultural Science, North Carolina State University, Raleigh, North Carolina
3. Department of Entomology and Plant Pathology, University of Tennessee, Knoxville, Tennessee
4. Plant Pathology and Plant-Microbe Biology Section, Cornell University, Geneva, New York, and
5. International Potato Center, ILRI Campus, Nairobi, Kenya