Measuring Stress, Socialization, and Smoking Behaviors Among Lesbian, Gay, Bisexual, Transgender, Queer, and Other Sexual and Gender Minority Adolescents (the Puff Break Research Study): Protocol for a Ecological Momentary Assessment Study - Linda Salgin; Daniel Kellogg; Jonathan Helm; Aaron J Blashill; Mark Myers; Hee-Jin Jun; Andy C Lim; Jerel P Calzo (JMIR Research Protocols)