A Moral Intervention Reduces Doping Likelihood in British and Greek Athletes: Evidence From a Cluster Randomized Control Trial. - Kavussanu, Maria; Hurst, Philip; Yukhymenko-Lescroart, Mariya; Galanis, Evangelos; King, Ailish; Hatzigeorgiadis, Antonis; Ring, Christopher (Journal of Sport & Exercise Psychology, 2021)