Flow chart: Infants which followed a diet and/or open food challenge. Legend. n = number of infants; DBPCFC = double-blind placebo controlled food challenge. † Not documented as starting diet with the intention of elimination and/or provocation or with the intention of assessment of complaints during diet. * Carried out and entirely documented following valid guideline recommendations[3, 4]. ‡ Eligible for provocation according the guideline[3, 4]. ** Not documented as carried out according to the guideline[3, 4].