Dispensation of antiretroviral therapy and methadone maintenance therapy at the same facility in a low‐barrier setting linked to optimal adherence to HIV treatment by Mohd Salleh, Nur Afiqah, Fairbairn, Nadia Souhalya, Nolan, Seonaid, Barrios, Rolando, Shoveller, Jeannie A., Richardson, Lindsay A., Milloy, Michael John