K.V. Zaichenko - Doctor of Science (Technology), professor, head of the department of medical radioelectronics of St. Petersburg State University of aerospace instrumentation. E-mail: kvz_41@aanet.ru
B.S. Gurevich - Doctor of .Science (Technology), professor of the department of medical radioelectronics of St.Petersburg State University of aerospace instrumentation. E-mail bgurevich48@gmail.com