Funding for this research was provided by:
Text and Data Mining valid from 2020-01-28
Received: 22 October 2019
Accepted: 10 January 2020
First Online: 28 January 2020
Ethics approval and consent to participate
: This study was certified by the Institutional Review Board of Kyushu University (#29–244). This study is a retrospective study, and most of the subjects are those who have completed follow-ups in pediatrics and ophthalmology, and those who visit about once a year even during follow-up.It is not possible to conduct individual explanations on research using explanatory documents and obtain consent and conduct research.Therefore, an explanatory document regarding this research will be sent at the same time as the questionnaire, and the consent of the research participation will be given by returning the questionnaire.In addition, information on this study will be made public on the homepage for those who cannot move the questionnaire due to moving away.Based on the above requirements, this study has obtained the informed consent of patients.
: Not applicable.
: The authors declare that they have no competing interests.