Dedecjus, Marek Deja, Grażyna Delbarba, Andrea, Department of Clinical and Experimental Sciences, Endocrine and Metabolic Unit, Clinica Medica, University of Brescia, Italy Delić, Ratko Dembowska-Bagińska, Bożenna Demir, Ahmet Muzaffer, Trakya University, Medical Faculty, Internal Medicine Department, Haematology Division, Edirne, Turkey Demir, Nazan, Sisli Etfal Training and Research Hospital, Department of Internal Medicine, Istanbul, Turkey Demir, Tevfik Demiray Uguz, Isil Demirci, Ibrahim Demirdag, Erhan Demirkol, Mehmet Onur Demirpence, Mustafa, Department of Endocrinology and Metabolism, Tepecik Education and Research Hospital, Izmir, Demirpence, Mustafa Demissie, Marek Denes, Judit Denew, Piotr, Department of Endocrinology, Medical University, Lublin, Poland Deng, Lianxiang Deng, Lihua Deng, Qin Deng, Xian Deng, Zhi-yong Deptała, Andrzej Deptała, Andrzej Deptała, Andrzej, Department of Gastroenterology, Pomeranian Medical University, Szczecin, Poland