Albert Álvarez-Carulla received his BSc degree in electronics and telecommunications engineering from the Universitat de Barcelona, Spain, in 2014, and his MSc degree in microelectronics from the Universidad de Sevilla, Sevilla, Spain, in 2016. He received his PhD in engineering and applied sciences with cum laude from the Universitat de Barcelona, Barcelona, Spain, in 2021. His areas of interest include microelectronics design, energy harvesting and biomedical devices. . Jordi Colomer-Farrarons received his BS and M.S. in electrical engineering in 2002 and 2005, respectively. He received his Ph.D. in 2010 from the University of Barcelona, Spain. Since 2014, he is a Associate Professor with the Department of Electronics and Biomedical Engineering and member of the SIC Bio research group at University of Barcelona, Spain. He worked from 2002 to 2005 as a researcher in the automotive company Francisco Albero S.A.U. He was a visiting researcher at IMEC in 2008. He was also a visiting professor at the Technological Institute of Monterrey. He is author of more than 30 articles in peer reviewed journals, 70 conferences, co-author of three books and three patents. Pere Ll. Miribel-Català received his M.S. degree in physics in 1994 from the University of Barcelona, Spain. He received his Ph.D. in 2000 from the University of Barcelona, Spain. Since 2003, he is Tenured University Lecturer with the Department of Electronics and Biomedical Engineering and member of the Bioengineering and Nano Bioengineering-SICBIO Group at the University of Barcelona, Spain. From 1993 to 1999, he was a research fellow at the Systems for Instrumentation and Communications Laboratory (SIC Lab) of the University of Barcelona working on high voltage smart power circuits and microelectronic design. He was a visiting research fellow in 1998 at LAAS-CNRS laboratory. He has authored or coauthored more than 30 articles in international peer-reviewed journals, several chapters of books, more than 70 conferences, and co-author of three books.​