Athina Pyrpasopoulou a, b, Georgia Pitsava a, c, Elias Iosifidis a, c, George Imvrios d, Eleni Massa e, Eleni Mouloudi e, Ioannis Goulis f, Eleni Chatzidrosou g, Charalampos Antachopoulos a, c, Ioannis Fouzas d, Emmanuel Roilides a, c, ⁎ 
a Infectious Diseases Unit, Hippokration General Hospital, Thessaloniki Greece
b 2nd Propedeutic Department of Internal Medicine, Medical Faculty, Aristotle University School of Health Sciences, Hippokration Hospital, Thessaloniki, Greece
c 3rd Department of Pediatrics, Medical Faculty, Aristotle University School of Health Sciences, Hippokration Hospital, Thessaloniki, Greece
d Solid Organ Transplantation Department, Medical Faculty, Aristotle University School of Health Sciences, Hippokration General Hospital, Thessaloniki Greece
e Intensive Care Unit, Hippokration General Hospital, Thessaloniki Greece
f 4th Department of Internal Medicine, Medical Faculty, Aristotle University School of Health Sciences, Hippokration General Hospital, Thessaloniki Greece
g Microbiology Department, Hippokration General Hospital, Thessaloniki Greece