 Complete the following phrase:  Kotova managed to both win and lose medals due to doping. In the 2000 Olympics, she had initially finished fourth. She was promoted to the bronze medal nine years later, after original bronze medal winner Marion Jones admitted usage of performance-enhancing drugs during the Olympics. However, in 2013, samples from the 2005 World Championships were retested and Kotova was found to have been doping. She was stripped of her silver medal at the World Championships, and also of the gold on the 