Before revision:  The current benchmark for classifying stunting assumes a universal model of growth with height-for-age z-score (HAZ) cutoffs set by the WHO . However, this universal model may hide hotspots of stunting if populations differ in HAZ in ways that are independent of undernutrition.
After revision:  The current benchmark for classifying stunting assumes a universal model of growth with height-for-age z-score (HAZ) cutoffs set by the World Health Organization . However, this universal model may hide hotspots of stunting if populations differ in HAZ in ways that are independent of undernutrition.