[1] Faculty of Medicine,Vilnius University Clinic of Children's Diseases
[2] Vilnius University,University of Medicine and Pharmacy
[3] Institute for Mother and Child Care, Department of Pediatrics 'Prof. Dr. Alfred Rusescu'
[4] Chaussée de Huy,Faculty of Military Health Sciences
[5] University of Defense,University Hospital Hradec Králové
[6] Infectious Diseases Hospital,Department of Pediatrics
[7] National Institute of Child Health,Department for Pediatric Infectious Diseases
[8] University Hospital,undefined
[9] University Hospital,undefined
[10] >Children's Clinic of Tartu University Hospital,undefined
[11] University Hospital for Infectious Diseases,undefined