Data Safety and Monitoring Board (DSMB): A DSMB will be established to ensure that the rights of all study participants from each site, Ashodaya and DMSC, are safeguarded, and to monitor their safety by scrutinizing any adverse events. They will also respond to concerns raised by the CABs from each site. The DSMB will include an ethicist, a human rights lawyer, representatives from the University of Manitoba, WHO and UNAIDS, representatives from the global network of sex workers, and a statistician.