Kristina Bliznakova received an MSc and a PhD in biomedical engineering from the University of Patras, Greece. She has been a Marie Curie fellow at the Technical University of Varna, Bulgaria, and she has been awarded the MSCA 2017 first prize as the most promising scientist. Currently, she is an associate professor at the Technical University of Varna, teaching computer programming and software development topics. During the last two decades, she has been actively conducting research activities, leading also several national and international research projects. Ivan Buliev received his diploma in electrical engineering from the Technical University of Varna, Bulgaria, and an MSc and PhD in biomedical engineering from the University of Patras, Greece. He is currently an associate professor at the Technical University of Varna, teaching embedded systems, industrial electronics, medical electronics, biomedical signal processing and medical imaging. Zhivko Bliznakov received his diploma in electrical engineering from the Technical University of Varna, Bulgaria, and an MSc and a PhD in biomedical engineering from the University of Patras, Greece. During the last two decades, he has been actively involved in the field of biomedical engineering performing research and educational activities. He has also been managing a high number of national and European projects.