Affiliation: | a Department of Clinical Laboratory Diagnosis, Srebrnjak Children’s Hospital, Zagreb, Srebrnjak, Zagreb, Croatia b Department of Pediatric Tuberculosis and Pulmonology, Srebrnjak Children’s Hospital, Zagreb, Srebrnjak, Zagreb, Croatia c Department of Pulmonology and Allergology in Infants and Small Children, Srebrnjak Children’s Hospital, Zagreb, Srebrnjak, Zagreb, Croatia |