1. 1 Faculty of Medicine , University of Medicine and Pharmacy ”Grigore T. Popa” , Iași , Romania
2. 2 Department of Medical Specialities (I) ,
3. 3 Department of Internal Medicine, Faculty of Dentistry , "Carol Davila" University of Medicine and Pharmacy , Bucharest , Romania
4. 4 Department of Internal Medicine , Ilfov County Emergency Hospital , Bucharest , Romania
5. 5 Academy of Medical Sciences, Ion C. Brătianu Boulevard No 1 , Bucharest , Romania
6. 6 Academy of Romanian Scientists, Professor Dr. Doc. Dimitrie Mangeron Boulevard No. 433 , , Iași , Romania