Affiliation: | Central University Hospital, Tbilisi (G. Kandelaki); ;National Center for Disease Control & Public Health, Tbilisi, Georgia (G. Kandelaki, L. Malania, N. Chakvetadze, G. Katsitadze, P. Imnadze); ;Centers for Disease Control and Prevention, Fort Collins, Colorado; USA (Y. Bai, C. Nelson, M. Kosoy); ;Hebrew University of Jerusalem, Rehovot, Israel (S. Harrus) |