Received: 15 August 2020
Accepted: 23 November 2020
First Online: 9 December 2020
Ethics approval and consent to participate
: The study protocol was approved by the institutional review boards of the Graduate School of Medical and Dental Sciences (approval number M2016-241) and Toranomon Hospital (approval number 1312) and registered with the UMIN Clinical Trials Registry (UMIN-CTR, R000033229). All procedures were conducted in accordance with the ethical standards of the Helsinki Declaration of 1975. Informed consent was obtained from all study participants at the time of the first outpatient appointment.
: Informed consent was obtained from these patients for publication of this report.
: None declared.