1. Department of Internal Medicine Faculty of Medicine, University of Medicine and Pharmacy “Grigore T. Popa” Iasi Romania
2. Internal Medicine Clinic Emergency Clinical Hospital “Saint Spiridon” Iasi Romania
3. Department of II Medicale Faculty of Medicine University of Medicine and Pharmacy “Grigore T. Popa” Iasi Romania
4. Emergency Clinical Hospital “Saint Spiridon”, Institute of Gastroenterology and Hepatology Iasi Romania