External quality assessment of laboratory performance in bacteriology in the Eastern Mediterranean Region, 2011–2019Raynal C. Squires, Ali Al Abri, Azza Al-Rashdi, Aisha Al Jaaidi, Omaima Al Harthi, Sebastien Cognat, Christopher Oxenford, Humayun Asghar, Karen Nahapetyan, Amany Ghoniem, Frank Konings and Amina Al Jardani