Kuwahara, MD, M., Kawase, MD, PhD, T., Kai, MD, S., Shimadzu, MD, PhD, K., Ishihara, MD, PhD, S., Hirata, MD, PhD, J.- ichi and Nakayama, MD, PhD, S. 2023. Use of Slack for COVID-19 disaster response in Hyogo Prefecture. Journal of Emergency Management. 21, 1 (Jan. 2023), 97–101. DOI:https://doi.org/10.5055/jem.0716.