“…In stage 1 screening, 1976 citations were ineligible. Forty-seven papers were reviewed in stage 2, and 31 were excluded: ineligible study population (n = 11) [41][42][43][44][45][46][47][48][49][50][51], inappropriate outcome measure (n = 6) [52][53][54][55][56][57], ineligible publication type (n = 4) [58][59][60][61], ineligible sample size (n = 3) [62][63][64], study design (n = 3) [65][66][67] and did not investigate manual palpation (n = 4) [68][69][70][71]. Two authors were contacted for publication type and age range, both responded [27,59].…”