#$%^&*AU2019203535A120191212.pdf#####ABSTRACT Described embodiments include a system that includes a current source generator and a processor. The processor is configured to drive the current source generator to supply, for 5 application to tissue of a subject, an electric current having an amplitude that varies in accordance with a predefined function of time, such that the amplitude initially monotonically increases to a maximum value. Other embodiments are also described. 271/3 000 CIO) 0 00 uJ C~C) CLj 0 CV) CIO CIO 00(
