1. European Molecular Biology Laboratory (EMBL) Heidelberg (S.D., T.-B.I., H.B., G.R., J.B., V.B., F.G.), 69117 Heidelberg, Germany
2. Genomatix (M.S., K.M.), 80335 Munich, Germany
3. Brigham Young University (C.-Y.L.), Provo, Utah 84602
4. Genome Institute of Singapore (E.T.L.), Singapore