1. Department of Nephrology, EpiCURA, Ath, Belgium
2. Department of Infectious Diseases, EpiCURA, Ath, Belgium
3. Department of Neurology, EpiCURA, Ath, Belgium
4. Department of Otorhinolaryngology, C.H.U. Charleroi, Charleroi, Belgium
5. Department of Surgery, EpiCURA, Ath, Belgium