Study design
This was a cross sectional, multi-centric study conducted from January
2015 to June 2017. Patients were recruited from La Rabta hospital,
Charles Nicolle hospital, Mongi Slim hospital, FSI hospital in tunis,
Military hospital in tunis and Farhat Hached hospital. It was approved
by the local Ethics Committee. Informed consent was obtained from each
patient before any data collection.