1. Multidisciplinary Hospital for Active Treatment ‘Queen Giovanna’ Ltd.
SofiaBulgaria
2. Multidisciplinary Hospital for Active Treatment ‘Pleven’ Ltd.
PlevenBulgaria
3. Clinic of Nephrology
Hypertension and Internal Diseases, BydgoszczPoland
4. Department of NephrologyTransplantation and Internal Diseases, Poznań University of Medical Sciences
PoznańPoland
5. Principal Investigator, ICRC – International Clinical Research Consulting
BerlinGermany
6. CRO, CCDRD AG
NeuenhagenGermany