"It is about having the right focus at practice. In Denmark, we are really good at having practised for two hours and then trying to do our best on court," Kamilla told PTI when asked why Indian shuttlers have struggled so far in doubles category.
"I have the impression that in Asian countries, like India, they are on court for many, many hours and then the level may go down because it is not easy to keep the intensity high for so long.
Kamilla clinched the 2009 World Championship title along with her mixed doubles partner Thomas Laybourn, before bagging the bronze and silver in 2013 and 2015 editions respectively along with women's doubles partner Christinna Pedersen.
The 32-year-old from Skagen is now training her eyes on the All England Championship next month and the Rio Olympics.
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"All England is one of the most important tournaments which we are looking forward to. It is a special event for us and also Olympics this summer. I am playing the ladies doubles so hope to win this title this year or may be the year after," said the tall shuttler who twice finished runners-up at the All England Championships in 2005 and 2012 with Laybourn.
Kamilla, however, said she is not confident about her chances at the Olympics.
"I am actually not confident at all. It is extremely difficult to win a medal at Olympics. Of course, I will try my best. It is about having the perfect week when the Olympics starts. Now we are just looking to train well and see how it goes during Olympics," said Kamilla, who is ranked fourth in the world along with Pedersen.
Talking about China, Kamilla, won the 2008 BWF Super Series Masters Finals with Laybourn, said: "I still think China will have the dominance because they have so many individual players, they can mix them around. May be they mixed it around too much this time that made the dominance a little lower at the moment.