[1] Monash Univ, Sch Publ Hlth & Prevent Med, 553 St Kilda Rd, Melbourne, Vic 3004, Australia
[2] Alfred Hosp, Dept Infect Dis, Melbourne, Vic 3004, Australia
[3] Swiss Trop & Publ Hlth Inst, Ctr Trop & Travel Med, CH-4052 Basel, Switzerland
[4] Univ Basel, CH-4001 Basel, Switzerland
[5] Geneva Univ Hosp, Div Trop & Humanitarian Med, CH-1205 Geneva, Switzerland
[6] Umea Univ, Dept Clin Microbiol, Infect Dis, S-90187 Umea, Sweden
[7] Ente Osped Cantonale Lugano, Div Infect Dis, CH-6900 Lugano, Switzerland
[8] Reg Med Off West Africa, Hlth Serv, German Foreign Off, HR72CMM, Accra, Ghana
[9] Dutch Coordinat Ctr Travellers Hlth Advice, NL-1018 WT Amsterdam, Netherlands
[10] Inst Hyg & Environm, Div Hyg & Infect Dis, D-20539 Hamburg, Germany
[11] Hosp Amedeo Savoia, Infect & Trop Dis Unit, I-10149 Turin, Italy
[12] Univ Geneva, Fac Med, CH-1211 Geneva, Switzerland
[13] Univ Galway, Sch Med, Coll Med Nursing & Hlth Sci, Galway H91TK33, Ireland
[14] European Ctr Dis Prevent & Control, S-16973 Solna, Sweden
[15] Stockholm Hlth Serv, Acad Specialist Ctr, S-17177 Stockholm, Sweden
[16] Karolinska Inst, Dept Med, Div Infect Dis, S-17177 Stockholm, Sweden
[17] Univ Helsinki, Dept Infect Dis, Helsinki 00100, Finland
[18] Helsinki Univ Hosp, Helsinki 00100, Finland
[19] Private Practice, CH-2000 Neuchatel, Switzerland
[20] McGill Univ, JD MacLean Ctr Trop Med, Montreal, PQ H4A 3J1, Canada
[21] Univ Coll London Hosp, Hosp Trop Dis, London GVF74Q, England
[22] London Sch Hyg & Trop Med, London GVC99V, England
[23] Inst Trop Med, Dept Clin Sci, B-2000 Antwerp, Belgium
[24] Amer Hosp Paris, Dept Infect & Trop Dis, F-92200 Neuilly-sur-seine, France
[25] CDCP, Atlanta, GA 30333 USA
[26] Univ Barcelona, ISGlobal Hosp Clin Barcelona, Barcelona 08036, Spain
[27] Orebro Univ, Sch Med Sci, S-70182 Orebro, Sweden
[28] Orebro Univ Hosp, Dept Infect Dis, S-70185 Orebro, Sweden
[29] Fed Foreign Off, Hlth Serv, D-10117 Berlin, Germany
[30] IRCCS Sacro Cuore Don Calabria, Dept Infect Trop Dis & Microbiol, I-37024 Negrar Di Valpolicella, Verona, Italy
[31] LMU Univ Hosp, Inst Infect Dis & Trop Med, D-80336 Munich, Germany
[32] Univ Zurich, WHO Collaborating Ctr Travellers Hlth Epidemiol Bi, CH-8006 Zurich, Switzerland
[33] Univ Bern, Bern Univ Hosp, Inselspital, Dept Infect Dis, CH-3010 Bern, Switzerland
[34] Univ Otago, Dept Primary Hlth Care & Gen Practice, Wellington 6021, New Zealand
[35] Leiden Univ Med Ctr, Leiden Univ Ctr Infect Dis, Dept Infect Dis, NL-2333 Leiden, Netherlands
[36] Med Univ Vienna, Inst Spec Prophylaxis & Trop Med, Ctr Pathophysiol Infectiol & Immunol, A-1090 Vienna, Austria
[37] Polish Inst Evidence Based Med, PL-31060 Krakow, Poland
[38] Polanki Childrens Hosp, Reference Vaccinat Ctr & Travel Clin, PL-80308 Gdansk, Poland