RecruitingClinical trialA Follow-up Study With Children Who Participated in the TEMPO Study in Their First Year of LifeThis is a follow-up study of a randomised clinical trial, called TEMPO (a double-blind randomized clinical trial investigating infant formula and human breast milk consumption), in which infants participated in their first year of life. The investigators like to know if these children develop allergies or infections in childhood and whether their feeding pattern in infancy plays a role.