1. WHO. Novel Coronavirus—China n.d.https://www.who.int/csr/don/12-january-2020-novel-coronavirus-china/en/Accessed June 18 2022.
2. A Novel Coronavirus Genome Identified in a Cluster of Pneumonia Cases — Wuhan, China 2019−2020
3. Japanese Minister of Health L and W. Coronavirus disease 2019 (COVID‐19) situation within the country2020.https://www.mhlw.go.jp/stf/covid-19/kokunainohasseijoukyou.htmlAccessed June 18 2020.
4. Japanese Structure Survey of Radiation Oncology in 2017 (Second Report).https://www.jastro.or.jp/medicalpersonnel/data_center/cat6/cat/2017.html.
5. NCCNClinical Practice Guidelines in Oncology (NCCN Guidelines®) Version 5.2020 Breast Cancer.