1. The social contagion effect of suicidal behavior in adolescents: Does it really exist?;Ali;Journal of Mental Health Policy and Economics,2011
2. Models and methods to identify peer effects;An,2011
3. Distinguishing influence-based contagion from homophily-driven diffusion in dynamic networks;Aral;Proceedings of the National Academy of Sciences,2009
4. Three degrees of contagion;Bond;New Scientist,2008
5. Alone in the crowd: The structure and spread of loneliness in a large social network;Cacioppo;Journal of Personality and Social Psychology,2009