Received: 7 September 2020
Accepted: 21 July 2021
First Online: 27 July 2021
Ethics approval and consent to participate
: The study design was approved by the Ethics Review Board of Kyoto University approval number G1228. Written informed consent for participation in this study was obtained from all participants. In children, written informed consent was obtained from the patients’ parents.
: Written informed consent for the publication of photographs and clinical and genetic data was obtained from all participants. The parents of the children signed written informed consent for the publication of photographs and clinical and genetic data.
: The authors declare that they have no competing interests.