1. AgResearch, Grasslands Research Centre, Palmerston North 4442, New Zealand
2. Department of Molecular Biology and Genetics, Aarhus University, 8000 Aarhus C, Denmark
3. Bioinformatics Research Centre, Aarhus University, 8000 Aarhus C, Denmark
4. AgResearch, Invermay Agricultural Centre, Mosgiel 9053, New Zealand
5. Bioinformatics and Statistics Group, Institute of Fundamental Sciences, Massey University, Palmerston North 4410, New Zealand
6. Department of Molecular Biology and Genetics, Aarhus University, 200 Slagelse, Denmark
7. Department of Bioscience, Aarhus University, 8000 Aarhus C, Denmark