Austrian and German authorities have worked on Operation Aderlass to investigate blood transfusions in several Olympic sports. Koren and Bozic had been provisionally suspended during the Giro d'Italia in May when both were with the Bahrain-Merida team.
The 32-year-old Koren was a rider and Bozic was a sports director. The UCI says Koren's doping violations dated to 2011-12 and Bozic's in 2012. Their cases were "resolved via an acceptance of consequences."
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