Vichea Ouk a, Cau Dinh Pham b, Teodora Wi c, Sebastiaan J van Hal d, Monica M Lahra e 
the EGASP Cambodia working group
a National Center for HIV/AIDS, Dermatology and Sexually Transmitted Diseases, Phnom Penh, Cambodia
b Division of STD Prevention, Centers for Disease Control and Prevention, Atlanta, GA, USA
c Global HIV, Hepatitis and STI Programmes, WHO, Geneva Switzerland
d New South Wales Health Pathology, Microbiology, Royal Prince Alfred Hospital Camperdown, NSW, Australia
e WHO Collaborating Centre for Sexually Transmitted Infections and Antimicrobial Resistance, New South Wales Health Pathology, Microbiology, The Prince of Wales Hospital Randwick, NSW, Australia