Ethics approval and consent to participate
The AgeMal project and this ancillary study were approved by the National Mozambican Ethics Review Committee (Ref: 05/CNBS/05), the Hospital Clínic of Barcelona Ethics Review Committee, and the Princess Margaret Hospital for Children Ethics Committee (1473/EP) in Perth. All experiments were performed in accordance with relevant guidelines and regulations of the Hospital Clínic of Barcelona and the School of Paediatrics and Child Health, the University of Western Australia.