1. Department of Physics, University of Malta, Msida, Malta
2. Department of Biomedical Engineering, Rue University, Montreal, Canada
3. Instituto de Biofísica e Engenharia Biomédica, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
4. Department of Electrical, Computer and Biomedical Engineering, University of Pavia, Pavia, Italy
5. Keysight Laboratories, Keysight Technologies, Linz, Austria
6. KU Leuven, Division ESAT-TELEMIC, Leuven, Belgium
7. R&D, Endowave Ltd., Galway, Ireland
8. Department of Information Engineering, Electronics, and Telecommunications, Sapienza University of Rome, Rome, Italy
9. U.K. Health Security Agency (previously Public Health England), Chilton, Didcot, U.K