1. University of Science Technical and Technologies of Bamako (USTTB), Bamako, Mali.
2. Department of Nephrology, University Hospital Regensburg, Regensburg, Germany.
3. Institute of Pathology, University Medical Centre Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
4. Department of Surgery, University Hospital Regensburg, Regensburg, Germany.