Topçu, Yıldıray Topçuoğlu, Canan, Ankara Numune Training and Research Hospital, Department of Biochemistry, Ankara, Turkey Topór-Mądry, Roman, IBMed, Institute of Medical Studies, Krakow, Poland; Institute of Public Health, Jagiellonian University Medical College, Krakow, Poland Toprak, Burak, Department of Clinical Biochemistry, Tepecik Education and Research Hospital, Izmir. Topuz, Busra Tunc Topuz, Canberk Torres-Arreola, Ana Karen Törüner, Füsun B Tosiek, Milena Tosun, Mehmet Totoń-Żurańska, Justyna Toubert, Marie-Elisabeth, Department of Nuclear Medicine, Saint-Louis University Hospital, Assistance Publique – Hôpitaux de Paris, Paris 7 University Paris-Diderot, Paris, France Toutounchi, Sadegh Toutounchi, Sadegh, Department of General and Endocrine Surgery, Medical University of Warsaw, Poland (Poland) Toutounchi, Sadegh Toutounchi, Sadegh (Poland) Towpik, Iwona Traczyk, Iwona Trautsolt, Wanda, Department of Internal Medicine, Diabetology and Nephrology, Medical University of Silesia, Zabrze, Poland Trautsolt, Wanda Trautsolt-Jeziorska, Katarzyna, Department of Internal Medicine and Endocrinology, Medical University of Warsaw, Poland Treglia, Giorgio Trembecka-Dubel, Elżbieta, Chair and Department of Paediatrics, Zabrze, Medical University of Silesia, School of Medicine with the Division of Dentistry, Poland Tretyn, Andrzej Trevisi, Elena