Postpublished at 17:29 GMT

These are the city hosts involved in each group.

Group A: Guadalajara, Monterrey, Mexico City (Mexico), Atlanta (US)

Group B: Toronto, Vancouver (Canada), Los Angeles, San Francisco, Seattle (US)

Group C: Atlanta, Boston, Miami, New York/New Jersey, Philadelphia (US)

Group D: Vancouver (Canada), Los Angeles, San Francisco, Seattle (US)

Group E: Toronto (Canada), Houston, Kansas City, New York/New Jersey, Philadelphia (US)

Group F: Monterrey (Mexico), Dallas, Houston, Kansas (US)

Group G: Vancouver (Canada), Los Angeles, Seattle (US)

Group H: Guadalajara (Mexico), Atlanta, Houston, Miami (US)

Group I: Toronto (Canada), Boston, New York/New Jersey, Philadelphia (US)

Group J: Dallas, Kansas, San Francisco (US)

Group K: Guadalajara, Mexico City (Mexico), Atlanta, Houston, Miami (USA)

Group L: Toronto (Canada), Dallas, New York/New Jersey, Boston, Philadelphia (USA)



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