 Courtney Coughenour, oo hoggaamineysay cilmi-baarista, oo ka tirsan jaamacadda Nevada ee Las Vegas, ayaa sheegay in natiijada ay la xitriirto cilmi-baarisyo hore oo lagu ogaaday in dadka sarreynta ku dareemaya gawaaridooda qaaliga ah ay aad u yartahay in ay ka istaagaan dadka waddada maraya. 