Strojek, Krzysztof Strojek, Krzysztof, Department of Internal Medicine, Diabetology, and Cardiometabolic Diseases, Medical Faculty with Medical-Stomatological Division in Zabrze Silesian Medical University, Katowice, Poland (Poland) Strojek, Krzysztof Strózik, Agnieszka Stróżyk, Aneta, Department of General, Endocrine and Transplant Surgery, Medical University of Gdansk – Invasive Medicine Center, Poland, 17 Smoluchowskiego Str., 80-211 Gdansk. Stróżyk, Aneta Strupas, Kęstutis, Vilnius University, Center of Abdominal Surgery, Vilnius, Lithuania. Strupas, Kestutis Strus, Adam Strzelczyk, Janusz Strzelczyk, Janusz Strzelczyk, Janusz Strzelczyk, Janusz, Division of Endocrinology, Department of Pathophysiology and Endocrinology, Silesian Medical University, Katowice, Poland (Poland) Strzelczyk, Janusz, Division of Endocrinology, Medical University of Silesia, Katowice, Poland Strzelczyk, Janusz Strzelczyk, Joanna, School of Medicine with the Division of Dentistry in Zabrze, Department of Medical and Molecular Biology, Silesian Medical University, Katowice Strzelczyk, Joanna, Department of Medical and Molecular Biology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland Strzelczyk, Joanna, Department of Medical and Molecular Biology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice Strzelczyk, Joanna Katarzyna Strzelczyk, Joanna Studniarek, Michał Stuss, Michal Stuss, Michał Stuss, Michał, Department of Endocrine Disorders and Bone Metabolism, Medical University of Lodz, Lodz, Poland; Outpatient Clinic of Osteoporosis, of Military Teaching Hospital in Lodz, Poland (Poland) Stuss, Michał