Author information:
(1)Division of Infection Medicine, Department for Clinical Sciences Lund, 
Medical Faculty, Lund University, Lund, Sweden. Electronic address: 
david.nygren@med.lu.se.
(2)Division of Infection Medicine, Department for Clinical Sciences Lund, 
Medical Faculty, Lund University, Lund, Sweden; Clinical Microbiology, 
Labmedicin, Region Skåne, Lund, Sweden.
(3)Division of Infection Medicine, Department for Clinical Sciences Lund, 
Medical Faculty, Lund University, Lund, Sweden.