Bibliography (8):

1. https://static-content.springer.com/esm/art%3A10.1038%2Fs41467-025-58271-x/MediaObjects/41467_2025_58271_MOESM4_ESM.xlsx

2. https://www.nature.com/articles/s41467-025-58271-x/tables/2

3. https://www.nature.com/articles/s41467-025-58271-x/tables/3

4. https://www.nature.com/articles/s41467-025-58271-x/tables/5

5. Wikipedia Bibliography:

   1. https://en.wikipedia.org/wiki/Resting_heart_rate

      https://en.wikipedia.org/wiki/Resting_heart_rate

   2. Heart rate variability

   3. https://en.wikipedia.org/wiki/GAMM

      https://en.wikipedia.org/wiki/GAMM

   4. Confidence interval