Shah, Hammad Shaker, Ahmed A. Shibata, Muneichi Shimizu, Sadao Sieja, Krzysztof Siemieniuk, Dawid Sierka, Oskar Sierka, Oskar (Poland) Sieroń, Aleksander Sieroń, Aleksander Sieron, Aleksander, School of Medicine with the Division of Dentistry in Zabrze University of Silesia in Katowice Chair and Department of Internal Diseases Angiology and Physical Medicine ul. Stefana Batorego 15, 41-902 BYTOM ; phone: +48 (32)-786-16-30, Poland Sieron, Aleksander Sieroń, Aleksander Sieron, Aleksander, School of Medicine with the Division of Dentistry in Zabrze, Department of Internal Medicine, Angiology and Physical Medicine, Medical University of Silesia, Batorego Street 15, 41-902 Bytom, Poland Sieroń, Aleksander Romuald Sieroń, Aleksander Ludwik Sieron, Aleksander L Sieroń, Dominik Aleksander Sieroń, Dominik Sieroń, Dominik (Switzerland) Sieroń, Karolina Sikorska, Zofia Sikorski, Andrzej Simka, Marian Simka, Marian (Poland)