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The city network model of Tokyo. a A 23-node network model was constructed based on the geographic information and adjacent relationships of the 23 wards. b For each week, the average number of clinic visits in the ward was mapped to the corresponding node, through which we obtained a data matrix of 23 rows/wards and 522 columns/weeks. c A detailed list of correspondences between wards and nodes, including the number of clinics in each ward
