[1] Hop St Louis, AP HP, STD Clin, Paris, France
[2] Hop St Joseph, Paris, France
[3] Orebro Univ Hosp, WHO Collaborating Ctr Gonorrhoea & Other Sexuall, Dept Lab Med, Microbiol, Orebro, Sweden
[4] Orebro Univ, Orebro, Sweden
[5] Hop Tarnier Cochin, AP HP, Syphilis Natl Reference Ctr, Paris, France
[6] Carol Davila Univ, Colentina Clin Hosp, Dermatol Clin 2, Bucharest, Romania
[7] Univ Med Ctr Ljubljana, Dept Dermatovenereol, Ljubljana, Slovenia
[8] Royal South Hants Hosp, Dept Genitourinary Med, Southampton, Hants, England