Article History
Received: 3 February 2019
Accepted: 30 May 2019
First Online: 8 June 2019
Compliance with ethical standards
:
: The authors have declared that no conflict of interest exists.
: All procedures performed in this case report were in accordance with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. This case series was granted exemption from review by the ethics committee of the Japanese Red Cross Medical Center.
: Informed consent was obtained from all individual participants included in the study.