Adhesive Ag/AgCl surface electrodes (T246H; Bioprotech, South Korea), 1 cm in diameter, were used in the present study and placed 2 cm apart using hypoallergenic gel
Adhesive Ag/AgCl surface electrodes (T246H;Bioprotech, South Korea), 1 cm in diameter, were used inthe present study and placed 2 cm apart using hypoallergenicgel