It was done by Dr. Vince Felitti at Kaiser and Dr. Bob Anda at the CDC, and together, they asked 17,500 adults about their history of exposure to what they called "adverse  childhood experiences," or ACEs.
Realizado por el Dr. Vince Felitti del Kaiser, y el Dr. Bob Anda del CDC. Juntos, investigaron 17 500 adultos y sus historiales de exposición acerca de las "experiencias adversas en la infancia", o EAI,