Funding for this research was provided by:
National Natural Science Foundation of China (81771589)
the Key Project of Tianjin Health and Family Planning Commission Natural Science Foundation (2015KR12)
Key Project of Tianjin Health Care Professionals (16KG166)
the Program of Tianjin Science and Technology Plan (18ZXDBSY00170)
Received: 26 April 2019
Accepted: 6 September 2019
First Online: 9 November 2019
Ethics approval and consent to participate
: The present study protocol was approved by the Ethics Committee of Tianjin Children’s Hospital (reference number: 20180519). Written informed consent to participate was obtained from the relatives of the patient.
: Written informed consent for publication of the relative’s clinical details and clinical images was obtained from the relatives of the patient. Written informed consent for publication of the male patient’s clinical details and clinical images was obtained from the parent of the patient. A copy of the consent form is available for review by the Editor of this journal.
: The authors declare that they have no competing interests.