1. Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Hanzeplein 1 (EA11), Groningen 9713 GZ, The Netherlands
2. University Medical Center Groningen, W.J. Kolff Institute for Biomedical Engineering and Materials Science-FB41, University of Groningen, A. Deusinglaan 1, Groningen 9713 AV, The Netherlands
3. University Medical Center Groningen, Department of Biomedical Engineering-FB40, University of Groningen, A. Deusinglaan 1, Groningen 9713 AV, The Netherlands
4. Department of Computer Science, Rensselaer Polytechnic Institute, Troy, New York 12180, United States
5. University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, Hanzeplein 1 (EA11), Groningen 9713 AV, The Netherlands