TABLE 13. Number of Days That Our Proposed System and Those Proposed in MED [39] and [40] Were Able to Detect Before of the First Confirmed Event in Each Studied City.

Region	Proposed	MED [39]	Event Detector [40]
Lima	7	3	4
New York	6	2	3
Sao Paulo	6	2	3
Hong Kong	5	2	2
Shanghai	4	1	1
London	5	2	2
Madrid	7	3	4
Milan	6	3	3