Funding for this research was provided by:
a Grant-in-Aid for AIDS research from the Ministry of Health, Labour and Welfare of Japan (H26-003)
Grants-in-Aid for Research from the National Center for Global Health and Medicine (29-1017, 29-2001)
a Grant-in-Aid for AIDS research from the Japan Agency for Medical Research and Development (None)
Text and Data Mining valid from 2018-11-06
Received: 20 September 2017
Accepted: 16 October 2018
First Online: 6 November 2018
Ethics approval and consent to participate
: Because this was a retrospective cohort study that was conducted without invasive procedures, and patient information was anonymized and deidentified before analysis, the requirement for patient consent was waived. This study was approved by the ethics committee of the National Center for Global Health and Medicine (Nos.1440) and was implemented in accordance with the provisions of the Declaration of Helsinki.
: Not applicable
: The authors declare that they have no competing interests.
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