Acknowledgements
RECRUITMENT
The authors would like to thank all parents/caregivers and their infants that participated in this study. Furthermore, they want to acknowledge the Clinical Research Organisation, SPRIM Américas Mexico, as well as the four sites and their employees, Clínica Pediátrica Pigüi, Hospital Star Médica Hip, Hospital Christus Muguerza Sur, and Clínica VITALI, for their help in the recruitment of participants.