“…Most of the studies included between 100 and 200 participants [ 20 , 27 , 28 , 32 , 37 , 41 ]. From all the studies found, 11 were published in Spain [ 24 , 25 , 26 , 27 , 29 , 30 , 32 , 33 , 34 , 39 ] and 5 in the United States [ 23 , 35 , 38 , 40 , 42 ]. Most studies evaluated runners or athletes [ 20 , 21 , 22 , 23 , 31 , 35 , 36 , 39 , 40 , 42 ].…”