The World Anti-Doping Agency (WADA) on Wednesday defended the Therapeutic Use Exemption (TUE) system after some athletes' confidential medical data was leaked by a group of Russian hackers, shedding light on potential abuse. A group identified as APT28 and Fancy Bear by U.S. cyber-security researchers revealed TUEs for leading athletes including Tour de France cycling champions Chris Froome and Bradley Wiggins and tennis grand slam winners Serena Williams and Rafa Nadal. "TUEs fall under international standards... They are scrutinized by the medical community," WADA Senior Science Director Olivier Rabin told a joint news conference with International Bureau of Weights and Measures (BIPM). More...