**Author details**

David Vrba<sup>1</sup> , Jan Vrba<sup>1</sup> \*, Ondrej Fiser<sup>1</sup> , Jesus Cumana<sup>2</sup> , Milan Babak<sup>2</sup> and Jan Vrba Senior<sup>2</sup>

1 Faculty of Biomedical Engineering, Department of Biomedical Technique, Czech Technical University in Prague, Kladno, Czech Republic

2 Department of EM Field, Faculty of Electrical Engineering, Czech Technical University in Prague, Prague, Czech Republic

\*Address all correspondence to: vrba@fel.cvut.cz

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