1. Department of Physics, Politecnico di Milano, Milan, Italy.
2. Department of Mechanical Engineering, Johns Hopkins University, Baltimore, MD, USA.
3. Department of Advanced Diagnostics, Fondazione IRCCS Istituto Nazionale Tumori, Milan, Italy.
4. Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
5. The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
6. CNR-Institute for Photonics and Nanotechnologies (CNR-IFN), Milan, Italy.