posted on 2017-12-13, 18:41authored byJoshua W. Smith, Maria F. Kroker-Lobos, Mariana Lazo, Alvaro Rivera-Andrade, Patricia A. Egner, Heiner Wedemeyer, Olga Torres, Neal D. Freedman, Katherine A. McGlynn, Eliseo Guallar, John D. Groopman, Manuel Ramirez-Zea
Sociodemographic characteristics of study participants.