1. Department of Endocrinology Centre of Postgraduate Medical Education, Bielański Hospital Warsaw Poland
2. Department of Colorectal General and Oncological Surgery, Centre of Postgraduate Medical Education, Bielański Hospital Warsaw Poland
3. Department of Endocrine Oncology and Nuclear Medicine Maria Skłodowska‐Curie Memorial Cancer Center and Institute of Oncology Warsaw Poland
4. Department of Nephrology and Internal Medicine Centre of Postgraduate Medical Education, Bielański Hospital Warsaw Poland