Špoljar, Diana; Vučić, Marinko; Peršec, Jasminka; Merc, Vlasta; Kereš, Tatjana; Radonić, Radovan; Poljaković, Zdravka; Nesek Adam, Višnja; Karanović, Nenad; Čaljkušić, Krešimir; Župan, Željko; Grubješić, Igor; Kopić, Jasminka; Vranković, Srđan; Krobot, Renata; Nevajdić, Bojana; Golubić, Mia; Grosek, Štefan; Kujundžić Tiljak, Mirjana; Štajduhar, Andrija; Tonković, Dinko; Borovečki, Ana: Experiences and attitudes of medical professionals on treatment of end-of-life patients in intensive care units in the Republic of Croatia: a cross-sectional study