Pisula, Agata Piszczek, Rafał Piszczek, Stanisław, Department of Nuclear Medicine, Military Institute of Medicine, Warsaw Piszczek, Stanisław Pityński, Kazimierz Piwoda, Maciej Piwońska-Solska, Beata, Chair and Department of Endocrinology Jagiellonian University, Medical College Piwowarczyk, Anna Piwowarska, Iwona Piwowarska-Bilska, Hanna Piłaszewicz, Agata Plachouri, Kerasia-Maria Plachouri, Maria-Kerasia Pliszka, Justyna Plješa-Ercegovac, Marija Pluskiewicz, Wojciech Pluskiewicz, Wojciech Pluskiewicz, Wojciech, Medical University of Silesia in Katowice, School of Medicine with the Division of Dentistry, Metabolic Bone Diseases Unit, Department and Clinic of Internal Diseases, Diabetology and Nephrology, Zabrze, Poland (Poland) Pluskiewicz, Wojciech Pluta, Dagmara Pobłocki, Jakub Pocheć, Ewa Pocięgiel, Mateusz Poczkaj, Karolina, Division of Endocrinology, Medical University of Silesia, Katowice, Poland. Poczkaj, Karolina