Correspondence to Professor Takeo Fujiwara, Department of Global Health Promotion, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo 113-8510, Japan; fujiwara.hlth{at}tmd.ac.jp Background This ...

1 British Columbia Centre for Excellence in HIV/AIDS, St. Paul's Hospital, Vancouver, Canada 2 Faculty of Medicine (Division of AIDS), University of British Columbia, Vancouver, Canada 3 Department of ...