Du, Jing Du, Jinghai Du, Xiaoyun Du, Yunfeng Duan, Jingling Dubczak, Iwanna Dubowik, Michał Dudek, Agnieszka Dudek, Marta Dudek, Piotr Dudzińska, Marta, Department of Endocrinology, Medical University, Lublin, Poland; Chair of Internal Medicine and Department of Internal Medicine in Nursing, Medical University in Lublin, Poland Dudzińska, Marta Dudzińska, Marta, Chair of Internal Medicine and Department of Internal Medicine in Nursing, Medical University of Lublin, Poland Dul, Lechosław, Department of Biostatistics. Medical University of Silesia, Katowice, Poland Dulkadir, Zeki Duma, Dariusz Duma, Krzysztof Duman, Gülhan Dunajska, Katarzyna Dundjerovic, Dusko Duraisamy, Arul Joseph, Endocrinology & Metabolism Division, Defence Institute of Physiology and Allied Sciences, Lucknow Road, Timarpur, Delhi — 110054, India Duran, Cevdet Durczynski, Adam Durczyński, Adam Durma, Adam Daniel