**Author details**

Mart Min1 \* and Gabriel Cismaru2

1 Thomas Johann Seebeck Department of Electronics, Tallinn University of Technology, Tallinn, Estonia

2 5th Department of Internal Medicine, Cardiology‐Rehabilitation, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj‐Napoca, Romania

\*Address all correspondence to: mart.min@taltech.ee

© 2022 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
