Figure 4

The ___location of the study hospital and the air quality monitoring stations. Air pollutant data were obtained from five central (Pingtung, Daliao, Linyuan, Meinong, and Chaouzhou) air quality monitoring stations maintained by the Environmental Protection Administration of Taiwan and one local (YanZhou) monitoring station maintained by the Environmental Protection Bureau, Pingtung County. The data from the central stations can be downloaded via the following hyperlink https://airtw.epa.gov.tw/CHT/Query/His_Data.aspx, and the data from the YanZhou station can be downloaded from https://www.ptepb.gov.tw/News2.aspx?n=0CC4FC82AA4C17A8&sms=7130494E45CEF0D8.