PPARGC1B and gambling behaviour: These brief tools included Lie/Bet, BPGS, NODS‐CliP (NORC Diagnostic Screen for Gambling Disorders—Control, Lying and Preoccupation), NODS‐CLiP2, Brief Biosocial Gambling Screen, NODS‐PERC, Problem Gambling Severity Index Brief Form (PGSI‐SF), the Case‐finding and Help Assessment Tool (CHAT) and the One‐Item Screen and the Rapid Screener for Problem Gambling (RSPG).