Funding for this research was provided by:
Ministry of health and welfare, Republic of Korea (HI-12C0756)
Text and Data Mining valid from 2018-06-08
Received: 19 October 2017
Accepted: 30 May 2018
First Online: 8 June 2018
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of Seoul National University Hospital (IRB registration number 1106–015-364) and each participating institute. Informed consent was waived, because the study was retrospective and the pneumococcal isolates were obtained as a standard part of routine patient care.
: The authors declare that they have no competing interests.
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