1. Proteome Informatics Group, SIB Swiss Institute of Bioinformatics, University of Geneva, Geneva CH-1227, Switzerland
2. Computer Science Department & Section of Biology, University of Geneva, Geneva CH-1227, Switzerland
3. Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia 30602, United States
4. George Washington University, Washington, District of Columbia 20037, United States
5. Glycan and Life Systems Integration Center (GaLSIC), Soka University, Hachioji, Tokyo 192-8577, Japan