1. Department of Microbiology Tumor and Cell Biology Karolinska Institutet Solnavägen 9 Solna 17165 Sweden
2. Department of Oncology‐Pathology Karolinska Institutet Karolinskavägen Solna 17164 Sweden
3. Department of Laboratory Medicine Division of Pathology Karolinska Institutet Alfred Nobels Allé 8 Stockholm 14152 Sweden
4. Keck School of Medicine University of Southern California 1975 Zonal Ave Los Angeles CA 90033 USA
5. Department of Physics Norwegian University of Science and Technology Høgskoleringen 5 Trondheim NO‐7491 Norway
6. Department of Biomedical Laboratory Science Norwegian University of Science and Technology Erling Skjalgssons gate 1 Trondheim NO‐7491 Norway