Crane HM, Miller ME, Pierce J, Willig AL, Case ML, Wilkin AM, Brown S, Asirot MG, Fredericksen RJ, Saag MS, Landay AL, High KP. Physical Functioning Among Patients Aging With Human Immunodeficiency Virus (HIV) Versus HIV Uninfected: Feasibility of Using the Short Physical Performance Battery in Clinical Care of People Living With HIV Aged 50 or Older. Open Forum Infect Dis. 2019 Mar; 6(3):ofz038.