Michelle Ma, ‘Early intervention improves long-term outcomes for children with autism’, http://www.washington.edu/news/2015/06/09/early-intervention-improves-long-term-outcomes-for-children-with-autism/, University of Washington (June 9, 2015).

ESDM

The therapy began when children were 18 to 30 months of age and involved therapists and parents working with the toddlers in their homes for more than 15 hours each week for two years. (…) The therapy, known as the Early Start Denver Model, or ESDM for short, was designed to promote social and communication skills and learning.