literature review

I need to know only few information however the information need to be very precise and supported by literature.

Question 1:

What is the range of dopamine in sweat ? (I need to know the concentration range, Please cite the research paper, and highlight the portion where it is written)

Question 2:

What happens to the concentration of dopamine in sweat after exercise (is it increased or decreased)? (Please cite the research paper, and highlight the portion where it is written)

Question 3:

How much change in dopamine can be observed in sweat after finishing physical exercise (Give concentration range)?

(Please cite the research paper, and highlight the portion where it is written)

 

Dopamine