Institution: | Public Health Institution of Turkey, Ankara, Turkey (D. Aktas, B. Celebi, C. Tutus, H. Ozturk, F. Temel); ;Bayburt Public Hospital, Bayburt, Turkey (M.E. Isik); ;Bayburt Provincial Public Health Directorate, Bayburt (M. Kizilaslan); ;World Health Organization, European Regional Office, Turkey Country Office, Ankara (B.-P. Zhu) |