240506 SP24 Course PR

[ycq091044]

Contains the follow PRs, which needs changes:

1. https://github.com/sunlabuiuc/PyHealth/pull/281 (need to refactor to inherit pyhealth base class, waiting for zhenbang's multi-modality template)
2. https://github.com/sunlabuiuc/PyHealth/pull/284 (need to refactor to inherit pyhealth base class, waiting for zhenbang's multi-modality template)
3. https://github.com/sunlabuiuc/PyHealth/pull/285 (x)
4. https://github.com/sunlabuiuc/PyHealth/pull/286
   • check the conversation there to understand label criteria -> Yes "108" is the CCSCM code that relates to ICD-9 428.0 and 428.9 ("congestive heart failure" and "heart failure", respectively).
5. https://github.com/sunlabuiuc/PyHealth/pull/288 (need to refactor to inherit pyhealth base class, waiting for zhenbang's multi-modality template)
6. https://github.com/sunlabuiuc/PyHealth/pull/289 (need to check later)
7. https://github.com/sunlabuiuc/PyHealth/pull/290/ (A good PR without change)
8. https://github.com/sunlabuiuc/PyHealth/pull/292 (all good)
9. https://github.com/sunlabuiuc/PyHealth/pull/294