License

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0).

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CC BY-SA 4.0

This classification system (DSA-1) was originally developed by Takahiro Kato in 2025,
as part of the MAI (Medicine for Artificial Intelligence) framework.
You are free to share and adapt the materials for any purpose, even commercially,
provided that proper attribution is given and all derivative works are distributed under the same license.

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