Lin Dan wins his fifth men's singles badminton world title in Guangzhou in 2013

Lin Dan checks on an injured Lee Chong Wei in the decider of the 2013 World Championship final in Guangzhou

Lin Dan holds the trophy as he celebrates his fifth world title triumph in 2013 in Guangzhou

Lin Dan kisses his wife and double world champion Xie Xingfang after winning his fifth world men's singles title