Department of Internal Medicine and Gastroenterology;
Central Clinical Hospital of Ministry of Internal Affairs and Administration;
Warsaw;
Poland;
Department of Internal Medicine and Gastroenterology;
Central Clinical Hospital of Ministry of Internal Affairs and Administration;
Warsaw;
and Institute of Experimental and Clinical Medicine;
Polish Academy of Sciences;
Warsaw;
Poland;
Department of Internal Medicine and Gastroenterology;
Central Clinical Hospital of Ministry of Internal Affairs and Administration;
Warsaw;
Poland;
Department of Internal Medicine & Nephrology;
Central Clinical Hospital of Ministry of Internal Affairs and Administration;
Warsaw;
and Institute of of Experimental and Clinical Medicine;
Polish Academy of Sciences;
Warsaw;
Poland;