Early childhood intervention for children at risk of developmental disabilities and their caregivers in Rwanda: study protocol for the PDC/Baby Ubuntu cluster randomised trial

Nathaniel Scherer, Mathieu Nemerimana, Carol Nanyunja, Gatera Fiston Kitema, Samantha Sadoo,David John Musendo, Francois Uwinkindi, Hannah Kuper, Emily L. W, Erick Baganizi, and Fabrice Iradukunda, Mariella Munyuzangabo, Rachel Lassman, Sara Rotenberg, I