Fig. 1

Example of the RS-tDCS kit and the electrodes preparation and positioning: tDCS headstrap for electrode cerebellar montage with the anode aligned with the median line over the cerebellum and the cathode over the right shoulder; stimulation device; single-use pre-saturated electrodes; laptop. a and b showed the positioning of the headstrap and the checking of its correct placement by the study technician connected via video conferencing. c and d showed the positioning of the cathode over the right shoulder and the releasing of the code to unlock the stimulation device for starting the session