“…Since 2011, a few review papers and randomized-control trials have been recently published and may be of interest, including Kulshrestha, Mirzatolooei, Ban, Virtanen, Wijdicks, Liu, Formaini, and Xu (Kulshrestha et al, 2011;Mirzatolooei, 2011;Ban et al, 2012;Virtanen et al, 2012b;Wijdicks et al, 2012bWijdicks et al, , 2013Liu et al, 2013;Formaini et al, 2013;Xu et al, 2013;Xu et al, 2014). Since 2011, a few review papers and randomized-control trials have been recently published and may be of interest, including Kulshrestha, Mirzatolooei, Ban, Virtanen, Wijdicks, Liu, Formaini, and Xu (Kulshrestha et al, 2011;Mirzatolooei, 2011;Ban et al, 2012;Virtanen et al, 2012b;Wijdicks et al, 2012bWijdicks et al, , 2013Liu et al, 2013;Formaini et al, 2013;Xu et al, 2013;Xu et al, 2014).…”