Funding for this research was provided by:
Taishan Scholars Program of Shandong Province (tsqn201909191)
Received: 24 May 2021
Accepted: 10 October 2022
First Online: 15 October 2022
: Study approval and ethical clearance was obtained from the Medical Ethical Committee of Affiliated Hospital of Qingdao University. Written informed consent for participation was obtained from all of participants in this study. For the proband who was under the age of 16, written informed consent for participation was obtained from his parents prior to data collection.
: The written informed consent for publication of clinical details and/or clinical images was obtained from the proband’s parents and their grandparents.
: All authors declare that they do not have any conflict of interest.