“…These specialists came from both adult and pediatric cardiology backgrounds, hence, the majority of established ACHD programs in the United States currently include adult and pediatric cardiac specialists working collaboratively. Interventional ACHD procedures are currently performed by both pediatric and adult specialists at pediatric, adult, and combined hospital settings 4 . ACHD was certified as a unique sub‐specialty by the American Board of Medical Specialties in 2012 and the American Board of Internal Medicine instituted a certifying examination that, thus far, has been given in 2015 and 2017; there are now over 300 physicians from pediatric and adult cardiology backgrounds certified as ACHD specialists in the United States.…”