[1] Milpk Hosp, Dept Clin Microbiol, Ampath Natl Lab Serv, Johannesburg, South Africa
[2] Natl Reference Lab, Dept Clin Microbiol & Mol Biol, Ampath Natl Lab Serv, Centurion, Gauteng, South Africa
[3] Ampath Natl Lab Serv, Port Elizabeth, South Africa
[4] Ampath Natl Lab Serv, Cape Town, South Africa
[5] Charlotte Maxeke Johannesburg Acad Hosp, Dept Crit Care, Johannesburg, South Africa
[6] Charlotte Maxeke Johannesburg Acad Hosp, Div Pulrnonol, Johannesburg, South Africa
[7] Univ Witwatersrand, Johannesburg, South Africa
[8] Hosp Bicetre, Assistance Publ Hop Paris, Serv Bacteriol Virol, Fac Med, K Bicetre, France
[9] Univ Paris 11, K Bicetre, France