Ethical considerations
EVENT
Written informed consent was obtained from the parents before the randomization of the newborns in either group. They were provided with written and verbal information including the potential risk and benefits involved in the research. Parents were informed about the voluntary nature of participation in the research, about non-penalization in the event of nonparticipation, and about the option of withdrawing their infant from the study at any point they wished without offering any reason. Confidentiality of the subjects was maintained.Permission to carry out the study was sought from the respective university administrators, and the study was conducted in compliance with the relevant guidelines and regulations and the Declaration of Helsinki; the study was also approved by the Medical Ethics Committee of the university (IR.SUMS.MED.REC.1396.107) and registered in the registry of clinical trials (