Matsuda, A., K. Asayama, T. Obara, N. Yagi, and T. Ohkubo. “Epidemiological Survey to Establish Thresholds for Influenza Among Children in Satellite Cities of Tokyo, Japan, 2014–2018”. Western Pacific Surveillance and Response, vol. 13, no. 3, Aug. 2022, doi:10.5365/wpsar.2022.13.3.911.