1. Child and Adolescent Psychiatry Division, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Ramat Gan, Israel.
2. Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
3. The Research Center for Internet Psychology, Sammy Ofer School of Communication, Reichman University (IDC), Herzliya, Israel.
4. Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel.