“…In 2003, Spinelli et al published a description of a twostage implantation procedure [48], and 13 of the articles dating back to December 2002 [46,48,56,61,62,64,66,71,[73][74][75][76][77] Excluded reports (n=147) not meeting inclusion criteria, e.g., non-English, abstractonly, reviews Fig. 1 Flow diagram for screening process employed (6 of these investigated both one-stage and twostage implantation outcomes).…”