▁played ▁by ▁both ▁men ▁and ▁women ▁from ▁the ▁start , ▁the ▁first ▁men ' s ▁world ▁championship ▁were ▁only ▁played ▁in ▁ 1 9 5 7 , ▁and ▁the ▁first ▁women ▁ones ▁were ▁only ▁in ▁ 2 0 0 4 . ▁ ▁Part icip ating ▁nations ▁Sweden , ▁Russia , ▁Finland , ▁Norway ▁and ▁USA ▁have ▁participated ▁in ▁every ▁tournament , ▁Canada ▁in ▁most ▁of ▁them , ▁ ▁Hung ary ▁in ▁two ▁and ▁China ▁deb uted ▁in ▁ 2 0 1 6 . ▁The ▁record ▁number ▁of ▁participants ▁were ▁ 7 , ▁in ▁ 2 0 0 7 , ▁ 2 0 0 8 ▁and ▁ 2 0 1 6 . ▁Regarding ▁the ▁tournament ▁in ▁ 2 0 1 8 , ▁the ▁organis ers ▁had ▁thought ▁out ▁measures ▁with ▁the ▁goal ▁to ▁attract ▁ 1 2 ▁particip ating ▁countries , ▁but ▁in ▁the ▁end ▁the ▁calendar ▁showed ▁ 8 ▁teams , ▁with ▁deb uts ▁for ▁Est onia ▁and ▁Switzerland . ▁In ▁the ▁ 2 0 2 0 ▁tournament , ▁Japan ▁participated ▁for ▁the ▁first ▁time . ▁ ▁Part icip ation ▁details ▁ ▁Top ▁results ▁year ▁by ▁year ▁ ▁Medal ▁table ▁ ▁References ▁▁▁ ▁Band y ▁World ▁Championship ▁Category : W omen ' s ▁sports ▁compet itions ▁Category : Rec urr ing ▁sport ing ▁events ▁established ▁in ▁ 2 0 0 4 ▁Category : F ebru ary ▁sport ing ▁events <0x0A> </s> ▁Fab riz io ▁Mor etti ▁( born ▁June ▁ 2 , ▁ 1 9 8 0 ) ▁is ▁a ▁Brazil ian -