Overview of the clinical background of the patients and the antibiotic treatment received during hospitalization.

Legend: a: Antibiotic during hospitalization (except for the macrolide treatment). b: TOB: tobramycin, COL: colimycine, MPM: meropenem, TAZ: tazocin, CAZ: ceftazidim. c: Numbers between brackets: episode numbers during which the antibiotic was administered. d: TOB was replaced by COL after one week of treatment. e: During the first episode, TAZ was replaced by MPM after one week of treatment.