“…Table 2 gives a list of the success criteria used in the different papers. Twentythree articles did not report on the follow-up period 14,17,22,25,27,36,[37][38][39][40][41][42][43][44][45][46]47,[48][49][50][51] of the remaining articles, follow-up periods varied from 0.25 to 120 months, 25 of these articles reporting a follow-up of >12 months.…”