The number of registered teams on 27. March 2017 is 67
Austria: 1
Belarus: 3
Belgium: 1
Bulgaria: 5
China: 6
Czech Republic: 6
Finnland: 1
Germany: 1
Hungary: 6
Israel: 1
Kazakhstan: 1
Latvia: 1
Russia: 11
Slovakia: 10
Slovenia: 4
Switzerland: 2
Ukraine: 3
United kingdom: 2
Czech Republic-Russia mixed: 1
Italy-Switzerland mixed: 1