From the *Thailand Ministry of Public Health – US Centers for Disease Control and Prevention Collaboration, Nonthaburi, Thailand; †Division of HIV/AIDS Prevention, National Center for HIV, Hepatitis, Sexually Transmitted Diseases and Tuberculosis Prevention, US Centers for Disease Control and Prevention, Atlanta, Georgia; and ‡Kenya Medical Research Institute, Kilifi, Kenya, and University of Oxford, Oxford, UK
Correspondence: Dr. Frits van Griensven, Thailand MOPH – US CDC Collaboration, DDC7 Building, Ministry of Public Health, Nonthaburi 11000, Thailand. E-mail: firstname.lastname@example.org.
The findings and conclusions presented in this paper are those of the authors and do not necessarily represent those of the U.S. Centers for Disease Control and Prevention and the Kenyan Medical Research Institute.
Received for publication January 17, 2008, and accepted January 31, 2008.