1. Carol Davila University of Medicine and Pharmacy; Internal Medicine, Colentina University Hospital; Sos. Stefan cel Mare 19-21 sect. 2 Bucharest Romania
2. Charleville Regional Hospital, France AND Internist.ro Clinic, Romania; Internal Medicine; 63, N. Balcescu, Brasov Brasov Romania 500019
3. Lausanne University Hospital; Cochrane Switzerland, Institute of Social and Preventive Medicine; Route de la Corniche 10 Lausanne Switzerland CH-1010
4. Carol Davila University of Medicine and Pharmacy; Public Health and Management; 1 - 3, Dr Leonte Anastasievici st., sector 5 Bucharest Romania 050463