Validation of the Japanese version of Stress and Anxiety to Viral Epidemics-9 (SAVE-9) and relationship among stress, insomnia, anxiety, and depression in healthcare workers exposed to coronavirus disease 2019.

"All authors declare no conflicts of interest. IO has received grants from NEC Solution Innovators and personal fees from Otsuka Pharmaceutical, Merck Sharp & Dohme, Eisai Co., Ltd., and Takeda Pharmaceuticals for projects unrelated to the submitted work.: The ICMJE Uniform Disclosure Form for Potential Conflicts of Interest associated with this article can be viewed by clicking on the following link: https://doi.org/10.1016/j.sleep.2021.06.035."

"This work was partially supported by a Grant-in-Aid for Scientific Research (C) (KAKENHI) awarded by the 10.13039/501100001691Japan Society for the Promotion of Science (JSPS, Grant Number 16K04388). All authors declare no conflicts of interest. IO has received grants from NEC Solution Innovators and personal fees from Otsuka Pharmaceutical, Merck Sharp & Dohme, Eisai Co., Ltd., and Takeda Pharmaceuticals for projects unrelated to the submitted work.: The ICMJE Uniform Disclosure Form for Potential Conflicts of Interest associated with this article can be viewed by clicking on the following link: https://doi.org/10.1016/j.sleep.2021.06.035."