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

Dimensions and domains to assess secondhand tobacco smoke exposure: insights from a Delphi study Ana Blanco-Ferreiro, Julia Rey-Brandariz, Jasjit S. Ahluwalia, Leonor Varela-Lema, Iñaki Galán, María Isolina Santiago-Pérez, Xisca Sureda, Marcela Fu, Anna Schiaffino, María José López, Xavier Continente, Cristina Candal-Pedreira, Melinda Mahabee-Gittens, Mónica Pérez-Ríos