1 Department of Data Science, Hyogo Medical University, Nishinomiya, Hyogo 663-8501, Japan. Electronic address: [email protected].
2 Department of Data Science, Hyogo Medical University, Nishinomiya, Hyogo 663-8501, Japan; Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Hyogo 663-8501, Japan.