Funding for this research was provided by:
Japan Society for the Promotion of Science (JP17K09209)
Center Administrative Expense from Nara Medical University
Article History
Accepted: 21 January 2021
First Online: 9 February 2021
Compliance with ethical standards
:
: KS received research grants from YKK AP Inc.; Ushio Inc.; Tokyo Electric Power Company; EnviroLife Research Institute Co., Ltd.; Sekisui Chemical Co., Ltd.; LIXIL Corp.; and KYOCERA Corp. This does not alter our adherence to the Quality of Life Research’s policies on sharing data and materials. For the remaining authors, none were declared.
: Submission of self-completed questionnaires was considered agreement to participate in the research.
: This study was approved by the Nara Medical University Ethics Committee (Approval No. 939).