Balakrishnan, Lakshmidevi, Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore Balan, Barbara Balan, Raluca Balcerska, Anna, Department of Paediatrics, Haematology, Oncology and Endocrinology, Medical University of Gdansk Balcerzak, Waldemar Balicka-Slusarczyk, Barbara Bálint, Katalin Balkan, Sevin, Department of Neurology, Faculty of Medicine, Akdeniz University, Antalya Baltadzhiev, Ivan Georgiev, Department of Infectious Diseases, Parasitology and Tropical Medicine, Medical University - Plovdiv Baltaziak, Marcin Baltaziak, Marek Baltaziak, Marek Baltaziak, Marek, Department of General, Medical University of Bialystok, Poland Banaś, Teresa Banas, Tomasz Banasiewicz, Tomasz Banasiewicz, Tomasz, Chair of General Gastroenterological and Endocrinological Surgery, Poznan University of Medical Sciences, Poznan (Poland) Bandurski, Roman Bao, Xiaorong Bao, Yongli Bar, Julia, Wrocławski Uniwersytet Medyczny Baran, Anna, Department of Dermatology and Venereology, Medical University of Bialystok Baran, Arkadiusz, Department of Human Physiology, Medical University of Lublin, Lublin, Poland Baran, Arkadiusz, Department of Reproduction and Andrology, Medical University of Lublin, Lublin, Poland Baran, Arkadiusz, Department of Reproduction and Andrology, Medical University of Lublin, Poland