“…Under aseptic conditions a left craniectomy of 4 mm (medial/lateral) by 6 mm (anterior/posterior) was performed, keeping the arachnoid [3,4,24,25]. In a co-ordinate system, taking bregma as the reference (0, 0), the co-ordinates of the craniotomy were placed between anterior (À3, 2), medial (À1, À1), lateral (À5, À1) and posterior (À3, À4).…”