Association of non-alcoholic fatty liver disease with coronary artery calcification progression: a systematic review and meta-analysis - George Koulaouzidis; Dafni Charisopoulou; Michał Kukla; Wojciech Marlicz; Grażyna Rydzewska; Anastasios Koulaouzidis; Karolina Skonieczna-Żydecka (Gastroenterology Review)