1. Cardiology Department; Military Hospital; ul. Weigla 5 50-981 Wroclaw Poland
2. Institute of Anthropology, Polish Academy of Sciences; Wroclaw Poland
3. Endocrinology Department; Military Hospital; Wroclaw Poland
4. Physiology Department; Wroclaw Medical University; Poland
5. Cardiac Medicine, National Heart and Lung Institute; Imperial College London; London UK