In which sport's World Championships do the victors receive the Swaythling Cup?

Swaythling Cup for men's team, donated in 1926 by Lady Baroness Swaythling, mother of the first ITTF president, Ivor Montagu. Corbillon Cup for women's team, donated in 1933 by Marcel Corbillon, president of the French Table Tennis Association. The original Cup was won by German team in 1939, and disappeared during Berlin occupation after World War II; the current Corbillon Cup is a replica made in 1949.