Fig. 2From: Oropharyngeal administration of colostrum targeting gut microbiota and metabolites in very preterm infants: protocol for a multicenter randomized controlled trialQuality control process of the protocol. DMC, data monitoring committee (composed of data verifiers at the coordination center and the principal investigators at each center); CRF, case report form. * The research team of each center is composed of the principal investigator, data quality controller, syringe preparing nurse and the intervener. ** The trial steering committee (composed of the directors of neonatal pediatrics at each center and the heads of the medical safety review team)Back to article page