Map of Mexico. The principal Mexican states from which participants originated are shown on this map. The states in red, including the Distrito Federal and Estado de Mexico, had 65% of the patients who participated in the cohort. The states in blue, including Oaxaca, Michoacan, Puebla, Hidalgo, and Queretaro, were home to 20% of the participants. Veracruz, Guerrero, and Guanajuato, from which 12% of the population originated, are green, and Baja California, Tlaxcala, Morelos, San Luis Potosí, and Jalisco, from which 3% of the population originated, are yellow.