1. Department of Endocrinology, Nuclear Medicine Unit, The University Hospital, Kraków, Poland;
2. Department of Experimental Physics of Complex Systems, Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland;
3. Proton Radiotherapy Group, Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland;
4. Chair and Department of Endocrinology, Jagiellonian University, Medical College, Kraków, Poland