Funding for this research was provided by:
Japan Society for the Promotion of Science (15K08112)
Text and Data Mining valid from 2020-05-01
Received: 17 November 2019
Accepted: 16 April 2020
First Online: 1 May 2020
Ethics approval and consent to participate
: This study was conducted in accordance with the Declaration of Helsinki and “Ethical Guidelines for Medical and Health Research Involving Human Subjects” (2015) by the Ministry of Education, Culture, Sports, Science and Technology and the Ministry of Health, Labor and Welfare, and was approved by the Ethics Committee of Mie University Graduate School of Medicine and Faculty of Medicine (No. H2019–090). Informed consent was not obtained from participating patients, because the data were collected retrospectively from electronic medical records.
: Not applicable.
: All authors declare no conflicts of interest regarding the present work.