In the Methods section, there are errors in the second, sixth, seventh and eighth equations in the eighth rule of the sub-section titled "Bivariate (multivariate) linear mixed-effects linear model".
- The current second equation in this sub-section is incorrect and should appear as:
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- The current sixth equation in this sub-section is incorrect and should appear as:
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- The current seventh equation in this sub-section is incorrect and should appear as:
 |
- The current eighth equation in this sub-section is incorrect and should appear as:
 |
Footnotes
No competing interests declared.
