Ingvar Eidhammer is a professor in the Department of Informatics at the University of Bergen,Norway. He is also associated with the Centre for Cancer Biomarkers established at the University of Bergen.Inge Jonassen is a professor in the Department of Informatics at the University of Bergen, Norway. His field of research is bioinformatics, the development and application of informatics methods for the analysis of molecular biology data.William R. Taylor is the author of Protein Bioinformatics: An Algorithmic Approach to Sequence and Structure Analysis, published by Wiley.