1 Subjects: “...Ecological Factors...”

2 Subjects: “...psychological factors...”

3 Subjects: “...psychological factors...”

4 Subjects: “...psychological factors...”

5 Subjects: “...Psychological Factors...”

6 Subjects: “...psychological factors...”

7 Subjects: “...psychological factors...”

8 Subjects: “...physiological and ecological factors...”

9 Subjects: “...psychological factors...”

10 Subjects: “...psychological factors...”

11 Subjects: “...multiple ecological factors...”

12 Subjects: “...multiple ecological factors...”