Tackling second-hand exposure to tobacco smoke and aerosols of electronic cigarettes: the TackSHS project protocol Esteve Fernández; María José López; Silvano Gallus; Sean Semple; Luke Clancy; Panagiotis Behrakis; Ario Ruprecht; Giuseppe Gorini; Ángel López-Nicolás; Cornel Radu-Loghin; Joan B. Soriano;

Night entertainment venues comply poorly with the smoke-free law in Chile Armando Peruga; Marcela Fu; Xaviera Molina; Esteve Fernández;