Received: 2 April 2019
Accepted: 31 May 2019
First Online: 10 June 2019
Ethics approval and consent to participate
: Not applicable.
: WTY personally obtained a written consent from the patient before his demise. The patient was made aware of the fact that his anonymity cannot be fully guaranteed and that there is a possibility that he could be identified based on the case report information and/or clinical images.
: The authors declare that they have no competing interest.