1. Clinical Unit of Clinical Pharmacology and Toxicology; Department of Medicine; University Hospital Centre Sisters of Charity; Vinogradska cesta 10 000 Zagreb Croatia
2. University of Zagreb School of Medicine; Šalata 3 10 000 Zagreb Croatia
3. Division of Clinical Pharmacology; Department of Internal Medicine; University Hospital Centre Zagreb; Kišpatićeva 12 10 000 Zagreb Croatia
4. Department of Laboratory Diagnostics; University Hospital Centre Zagreb; Kišpatićeva 12 10 000 Zagreb Croatia