Monitoring the progress and impact of a multicountry, interdisciplinary research project on childhood stunting: the UKRI GCRF Action Against Stunting Hub MEL protocol - Bharati Kulkarni; Babacar Faye; Little Flower Augustine; Santosh Kumar Banjara; Claire Heffernan; Umi Fahmida; Min Kyaw Htet; Arienta R P Sudibya; Modou Lamin Jobarteh; Nur L Zahra; Assana Diop; Darius Tetsa Tata; et al. (BMJ Publishing Group, 2024)