title: Correction: Changes in Prevalence of HIV or Syphilis among Male Sex Workers and Non-Commercial Men Who Have Sex with Men in Shenzhen, China: Results of a Second Survey.
abstract: [This corrects the article DOI: 10.1371/journal.pone.0167619.].
authors.forename: Yuanwei
authors.initials: Y
authors.lastname: Huang
authors.forename: Yanting
authors.initials: Y
authors.lastname: Zhang
authors.forename: Ke
authors.initials: K
authors.lastname: Li
authors.forename: Jin
authors.initials: J
authors.lastname: Zhao