Yes. The authors’ affiliation with the University implies that they are employed by the universities or government institutions and have been paid to do this research.
Click on the "Next" arrow above to go to the next question.
Yes.
Click on the "Next" arrow above to go to the next question.
Yes.
Click on the "Next" arrow above to go to the next question.
Yes. The revision and acceptance dates, and the thanking of an anonymous reviewer, are clear indicators of peer-review.
Click on the "Next" arrow above to go to the next question.
Yes. The Methods and Results sections indicate that this paper is reporting original research. This source is academic, peer-reviewed research material.