"We have a task force that is looking at all aspects of Games organization in order to help Tokyo to simplify the delivery for two main reasons," Dubi further explained.
He earned icon status among River fans after scoring the decisive goal in his team's extra-time victory over rivals Boca Juniors in the 2018 Copa Libertadores final.
Kenya which currently has laws to criminalize doping in the country, has been embroiled in doping scandals involving its top runners.
"This whole situation has left me really sad and empty. I checked on the lines person and the tournament told me that thank God she is feeling ok. I'm extremely sorry to have caused her such stress. So unintended. So wrong," Djokovic said.
Mena struck in the 41st and 51st minutes at Estadio Victoria as the visitors secured their fifth win from eight matches.
Both sides posed threats to the other, but no goals were scored in the first half. Shijiazhuang once got a good chance to score in the 33rd minute when forward Liu Xingyu was clean through on goal but his low volley was easily saved by the keeper.
The clay-court Grand Slam, which was originally due to be held in May, will be staged from September 27 to October 11.
"It really hurt me that people could think I would be able to go to court against Barcelona for my own benefit. I would never do something like that," commented the striker.
The Tricolor failed to qualify for the 2018 World Cup in Russia and were dumped out of last year's Copa America in Brazil before the knockout phase.
Gu developed the habit of exercising very early. When he worked in Yinchuan and Shenzhen, he always ran or cycled to work. "Exercise makes people healthy. Some people around my age suffer from cardiovascular and cerebrovascular diseases. I pay more attention to maintain a good body and good mentality through exercise," Gu said.
"I feel good that the running season is slowly coming back, as an athlete I was worried when the coronavirus pandemic stopped everything globally, I knew my ambitious season was done, I didn't see myself running this year. I'm glad normalization is slowly returning," she noted.