Figure 1

Children with Down syndrome from Thailand, India, and Nigeria. Courtesy of Ekanem Ekure, S.J. Patil, Girisha K.M., Antonio Richieri-Costa, and Vorasuk Shotelersuk.
Children with Down syndrome from Thailand, India, and Nigeria. Courtesy of Ekanem Ekure, S.J. Patil, Girisha K.M., Antonio Richieri-Costa, and Vorasuk Shotelersuk.