Correction: Prevalence and risk factors of chlamydia infection in Hong Kong: A population-based geospatial household survey and testing

• William Chi Wai Wong, 
• Yanping Zhao, 
• Ngai Sze Wong, 
• William L. Parish, 
• Heidi Yin Hai Miu, 
• Li-Gang Yang, 
• Michael Emch, 
• King Man Ho, 
• Francois Yeung Fong, 
• Joseph D. Tucker