aDivision of HIV, ID, and Global Medicine, University of California, San Francisco, California, USA

bInstituto de Pesquisa Clinica Evandro Cha-gas-Fiocruz, Rio De Janeiro, Brasil

cUCLA Center for Clinical AIDS Research and Education, Los Angeles, California, USA

Correspondence to Raphael J. Landovitz, 911 Broxton Avenue, Suite 200, Los Angeles, CA 90024, USA. Tel: +1 310 825 3782; fax: +1 310 477 7657; e-mail: [email protected]