1. Upper Austria University of Applied Sciences at Hagenberg, Bioinformatics Department, Hauptstraβe 117, A-4232 Hagenberg, Austria, Geneva Bioinformatics S.A., Av. de Champel 25, CH-1206 Genève, Switzerland, Higher Polytechnic School of Alcoy, Polytechnic University of Valencia, E-03801 Alcoy, Alicante, Spain, and University of Geneva and Swiss Institute of Bioinformatics, Rue Michel-Servet 1, CH-1211 Genève, Switzerland