Gazibara Tatjana, Pekmezovic Tatjana, Kisic-Tepavcevic Darija, Svetel Marina, Tomic Aleksandra, Stankovic Iva, Kostic Vladimir S
Institute for Epidemiology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia.
Eur J Epidemiol. 2015 Apr;30(4):349-52. doi: 10.1007/s10654-015-0019-4. Epub 2015 Mar 18.