Funding for this research was provided by:
Japan Academy of Nephrology Nursing (Research Grant 2018)
Received: 23 December 2019
Accepted: 13 August 2020
First Online: 20 August 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committees of Tokyo Medical and Dental University and Omihachiman Community Medical Center, and it was conducted in accordance with the ethical principles of the Declaration of Helsinki. All of the participants provided written informed consent (approval number M2018–021, 30–46).
: All of the participants provided written informed consent.
: The authors declare that they have no competing interests.