Lifetime and past-year prevalence of children’s exposure to violence in 9 Balkan countries: the BECAN study oleh George Nikolaidis, Kiki Petroulaki, Foteini Zarokosta, Antonia Tsirigoti, Altin Hazizaj, Enila Cenko, Jelena Brkic-Smigoc, Emir Vajzovic, Vaska Stancheva, Stefka Chincheva, Marina Ajdukovic, Miro Rajter, Marija Raleva, Liljana Trpcevska, Maria Roth, Imola Antal, Veronika Ispanovic, Natasha Hanak, Zeynep Olmezoglu-Sofuoglu, Ismail Umit-Bal, Donata Bianchi, Franziska Meinck, Kevin Browne