1. Systems Biology Research Center, School of Bioscience, University of Skövde, SE-541 28 Skövde, Sweden
2. VERIGRAFT, Arvid Wallgrens Backe 20, SE-413 46 Gothenburg, Sweden
3. Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, SE-413 45 Gothenburg, Sweden