1 Department of Dermatology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan.
2 Department of Biomedical Statistics, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan; Institute for Open and Transdisciplinary Research Initiative, Osaka University, Suita, Osaka, Japan.
3 Department of Biomedical Statistics, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan.
4 Department of Dermatology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan; Division of Health Science, Department of Neurocutaneous Medicine, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan. Electronic address: mkaneda@sahs.med.osaka-u.ac.jp.