1 Subjects: “...positive and negative affect schedule...”

2 Subjects: “...inter-positional difference...”

3 Subjects: “...playing position characteristics...”

4 Subjects: “...socioeconomic position...”

5 “...-hydroxynonenal, allowing us to assume that even more detailed mechanisms of their positive and negative effects...”

6 “... are the focus of research not only because of their toxicity but also because of their positive effects...”