aPublic Health and HIV Section, United Nations High Commissioner for Refugees, Geneva, Switzerland
bFaculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada
cBritish Columbia Centre for Excellence in HIV/AIDS, St Paul's Hospital, Canada
dFaculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
Received 21 October, 2010
Accepted 27 October, 2010
Correspondence to Paul B. Spiegel, 94 rue de Montbrillant, 1211 Geneva, Switzerland. E-mail: firstname.lastname@example.org