“…Thirteen publications registered effects in relation to suicide, all of them by using self-reported methods on 13RW viewers. Most studies comprised adolescent samples [ 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 ], whilst others included young adults [ 50 , 51 , 59 , 60 , 61 ] and even parents or guardians [ 50 , 51 , 53 , 54 , 62 ]. Only two studies were based on clinical populations [ 54 , 55 ] as the rest of them were performed with vulnerable subjects recruited through social networks [ 52 , 58 ], survey firms [ 50 , 51 , 59 , 62 ] or other procedures [ 53 , 56 , 57 , 60 , 61 ].…”