Comparing recruitment strategies to engage hard‐to‐reach men who have sex with men living with HIV with unsuppressed viral loads in four US cities: Results from HPTN 078 oleh Chris Beyrer, Jowanna Malone, Stefan Baral, Zhe Wang, Carlos Del Rio, Kenneth H. Mayer, D. Scott Batey, Jason Farley, Theresa Gamble, Jill Stanton, James P. Hughes, Ethan Wilson, Risha Irvin, Oscar Guevara‐Perez, Adam Bocek, Josh Bruce, Ronald Gaston, Vanessa Cummings, Robert H. Remien, the HPTN 078 Study Team