Litwin, Mieczysław Litwin, Mieczysław Litwin, Mieczysław Litwiniuk, Maria Litwinowicz, Radosław, Department of Cardiovascular Surgery and Transplantology, Jagiellonian University, John Paul II Hospital, Krakow, Poland. Litwinowicz, Radosław Litwinowicz, Radosław (Poland) Litwinowicz, Radosław Litwinowicz, Radosław Litwiński, Paweł, The Cardinal Stefan Wyszyński Institute of Cardiology Litwiński, Paweł Litwiński, Paweł Litwiński, Paweł Liu, Anheng Liu, Chih-Min Liu, Chongtao Liu, Hengliang, Affiliated People's Hospital of Zhengzhou, Southern Medical University Liu, Hongwei Liu, Jianghai Liu, Jinping, Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China Liu, Jun Liu, Ke-jia, The First Affiliated Hospital of Sun Yat-sen University Liu, Lingzhi, Affiliated People's Hospital of Zhengzhou, Southern Medical University Liu, Meilin Liu, Mingjiang