Institution: | (1) Department of Otorhinolaryngology, Clinical Hospital Merkur , Zajceva 19, 41000 Zagreb, Croatia;(2) Central Laboratory, New Hospital Zagreb, Aleja izvidaca bb, Zagreb, Croatia;(3) Internal Clinic, Hospital Sveti Dub , P. Miskine 64, Zagreb, Croatia;(4) Franje Wolfla 2, 41000 Zagreb, Croatia |