1. Faculty of General Nursing, Bioterra University, Bucharest, Romania;
2. Lil Med Clinic, Bucharest, Romania;
3. Faculty of Medicine, Titu Maiorescu University, Bucharest, Romania;
4. Center for Military Medical Scientific Research, Bucharest, Romania;
5. Imperial College London, London, UK;
6. Clinical Hospital Colentina, Bucharest, Romania