Funding for this research was provided by:
Korea Health Industry Development Institute (HI14C2768, HI18C1629, HI18C0335)
National Research Foundation of Korea (2016M3C7A1913844)
Korea Centers for Disease Control and Prevention (2018-ER6202-01)
Received: 5 April 2019
Accepted: 18 August 2019
First Online: 29 August 2019
Ethics approval and consent to participate
: The collection of the data was conducted as set forth in the Declaration of Helsinki. This study was approved by the Institutional Review Board of Samsung Medical Center and we obtained informed consent from the participant and his next of kin (son).
: Written informed consent was obtained from the patient’s next of kin (son) for publication of this report.
: The authors declare that they have no competing interests.