Received: 10 March 2021
Accepted: 30 April 2021
First Online: 8 May 2021
: Informed consent was waived, because this study was based on a retrospective analysis of case records from our university hospital. Approval for the use of these data and the analysis was provided by the Ethics Committee of the Kindai University Faculty of Medicine (No. 27-001). All methods were performed in accordance with the relevant guidelines and regulations of the Declaration of Helsinki.
: HH received funding from Ono Pharmaceutical Co., Ltd. out of this work. KN received funding from Ono Pharmaceutical Co., Ltd. and Merck & Co., Inc. out of this work.