[1] UK Hlth Secur Agcy, Meningococcal Reference Unit, Manchester, England
[2] UK Hlth Secur Agcy, Immunisat Div, London, England
[3] Norwegian Inst Publ Hlth, Oslo, Norway
[4] Geneva Univ Hosp, Natl Reference Ctr Meningococci, Lab Bacteriol, Geneva, Switzerland
[5] Univ Wurzburg, Inst Hyg & Microbiol, German Natl Reference Ctr Meningococci & Haemophil, Wurzburg, Germany
[6] Inst Pasteur, Invas Bacterial Infect Unit, Paris, France
[7] Natl Reference Ctr Meningococci, Paris, Paris, France
[8] Eskisehir Osmangazi Univ, Fac Med, Eskisehir, Turkiye
[9] Univ Pittsburgh, Ctr Genom Epidemiol, Pittsburgh, PA USA
[10] PATH, Ctr Vaccine Innovat & Access, Washington, DC USA
[11] Univ Libre Bruxelles, Brussels, Belgium
[12] Natl Inst Hlth Doutor Ricardo Jorge, Dept Infect Dis, Natl Reference Lab Neisseria Meningitidis, Lisbon, Portugal
[13] Sciensano, Natl Reference Ctr Neisseria Meningitidis, Brussels, Belgium
[14] Austrian Agcy Hlth & Food Safety, Inst Med Microbiol & Hyg, Graz, Austria
[15] St Casa Sao Paulo Sch Med Sci, Sao Paulo, Brazil
[16] Meningitis Res Fdn, Bristol, England
[17] Univ Amsterdam, Netherlands Reference Lab Bacterial Meningitis, Med Ctr Locat AMC, Amsterdam, Netherlands
[18] Ist Super Sanita, Dept Infect Dis, Rome, Italy
[19] Finnish Inst Hlth & Welf, Dept Publ Hlth, Helsinki, Finland
[20] Univ West Attica, Sch Publ Hlth, Dept Publ Hlth Policy, Natl Meningitis Reference Lab, Athens, Greece