Correction: Implementation Research to Inform the Use of Xpert MTB/RIF in Primary Health Care Facilities in High TB and HIV Settings in Resource Constrained Settings

• Monde Muyoyeta, 
• Maureen Moyo, 
• Nkatya Kasese, 
• Mapopa Ndhlovu, 
• Deborah Milimo, 
• Winfridah Mwanza, 
• Nathan Kapata, 
• Albertus Schaap, 
• Peter Godfrey Faussett, 
• Helen Ayles