1. Department of Internal Diseases, Nephrology and Dialysis, Military Institute of Medicine – National Research Institute, Warsaw, Poland
2. Department of Epidemiology and Biostatistics, Institute of Mother and Child, Warsaw, Poland
3. Department of Applied Mathematics, University of Life Sciences, SGGW, Warsaw, Poland
4. Department of Internal Diseases and Endocrinology, Medical University of Warsaw, Warsaw, Poland
5. Department of Burns, Plastic and Reconstructive Surgery, Military Institute of Medicine – National Research Institute, Warsaw, Poland
6. Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA, PA