1 Subjects: “...vulnerable populations...”

2 Subjects: “...populations structure...”

3 Subjects: “...population...”

4 Subjects: “...population genetics...”

5 Subjects: “...multi-population cooperation...”

6 Subjects: “...population urbanization...”

7 Subjects: “...population structure...”

8 Subjects: “...population density...”

9 Subjects: “...older population...”