english: 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.
non_english: Hij is gedaan door Dr. Vince Felitti van Kaiser en Dr. Bob Anda van het CDC. Samen vroegen ze 17.500 volwassenen naar hun vroegere blootstelling aan 'nadelige jeugdervaringen', of ACE's (adverse childhood experiences).