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

Opinions and practices regarding electronic cigarette use among Romanian high school students Lucia Maria Lotrean, Bianca Varga, Monica Popa, Cornel Radu Loghin, Milena Adina Man, Antigona Trofor

Secondhand exposure to aerosol from electronic cigarettes: pilot study of assessment of tobacco-specific nitrosamine (NNAL) in urine Jose M. Martínez-Sánchez, Montse Ballbè, Raúl Pérez-Ortuño, Marcela Fu, Xisca Sureda, José A. Pascual, Armando Peruga, Esteve Fernández