1 Department of Medical Engineering, Afeka Tel Aviv Academic College of Engineering, Tel Aviv, Israel. Electronic address: zehava@afeka.ac.il.
2 School of Electrical and Information Engineering, University of the Witwatersrand, Johannesburg, South Africa; IBM Research|Africa, South Africa Lab, Johannesburg, South Africa.
3 Department of Medical Engineering, Afeka Tel Aviv Academic College of Engineering, Tel Aviv, Israel.
4 Yazmonit Ltd., Eshtaol, Israel.
5 Department of Medical Engineering, Afeka Tel Aviv Academic College of Engineering, Tel Aviv, Israel; School of Electrical and Information Engineering, University of the Witwatersrand, Johannesburg, South Africa.
6 Unit of Mathematics, Afeka Tel Aviv Academic College of Engineering, Tel Aviv, Israel.