Mehmet Ceyhan* , Inci Yildirim*, Paul Balmer†, Ray Borrow†, Bunyamin Dikici‡, Mehmet Turgut§, Nese Kurt§, Aysel Aydogan¶, Cigdem Ecevit¶, Yasar Anlar#, Ozlem Gulumser#, Gonul Tanir, Nuran Salman††, Nezahat Gurler††, Nevin Hatipoglu††, Mustafa Hacimustafaoglu‡‡, Solmaz Celebi‡‡, Yavuz Coskun§§, Emre Alhan¶¶, Umit Celik¶¶, Yildiz Camcioglu††, Gulten Secmeer*, Deniz Gur##, and Steve Gray†

Author affiliations: *Hacettepe University, Ankara, Turkey; †Health Protection Agency North West, Manchester, United Kingdom; ‡Dicle University, Diyarbakir, Turkey; §Firat University, Elazig, Turkey; ¶Dr. Behcet Uz Children’s Hospital, Izmir, Turkey; #Mayis University, Samsun, Turkey; **Sami Ulus Children’s Hospital, Ankara; ††Istanbul University, Istanbul, Turkey; ‡‡Uludag University, Bursa, Turkey; §§Gaziantep University, Gaziantep, Turkey; ¶¶Cukurova University, Adana, Turkey; ##Pediatric Microbiology Laboratory, Ankara;