Fig. 3: Baseline friendship networks for Bogotá schools.

Note: Different colored nodes indicate different school classes. a School 7 (Bogotá ASSIST school). b School 8 (Bogotá Dead Cool school). c School 9 (Bogotá Dead Cool school). d School 10 (Bogotá ASSIST school). e School 11 (Bogotá ASSIST school). f School 12 (Bogotá Dead Cool school).