Text and Data Mining valid from 2019-05-09
Received: 23 February 2019
Accepted: 1 May 2019
First Online: 9 May 2019
: Both authors are from the Department of General Internal Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
: Our study has been granted an exemption from review by the Institutional Review Board of Peking Union Medical College Hospital.
: Written informed consent was obtained from the patient for publication of this case report and any accompanying images.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.