Achieving low-density lipoprotein cholesterol targets as assessed by different methods in patients with familial hypercholesterolemia: an analysis from the HELLAS-FH registry oleh Christos V. Rizos, Matilda Florentin, Ioannis Skoumas, Konstantinos Tziomalos, Loukianos Rallidis, Vasileios Kotsis, Vasileios Athyros, Emmanouil Skalidis, Genovefa Kolovou, Anastasia Garoufi, Eleni Bilianou, Iosif Koutagiar, Dimitrios Agapakis, Estela Kiouri, Christina Antza, Niki Katsiki, Evangelos Zacharis, Achilleas Attilakos, George Sfikas, Panagiotis Anagnostis, Demosthenes B. Panagiotakos, Evangelos N. Liberopoulos