1. TIMM Laboratory, Sahlgrenska Cancer Center, Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden;
2. Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden;
3. Department of Mathematical Sciences, Chalmers University of Technology, Gothenburg, Sweden