[1] Acad Appl Studies Belgrade, Dept Higher Med Sch, Belgrade, Serbia
[2] Univ Novi Sad, Fac Med, Novi Sad, Serbia
[3] Mother & Child Hlth Care Inst Serbia Dr Vukan Cupi, Dept Endocrinol, Belgrade, Serbia
[4] Hlth Ctr Novi Sad, Novi Sad, Serbia
[5] Univ Childrens Hosp Belgrade, Belgrade, Serbia
[6] Univ Belgrade, Fac Med, Belgrade, Serbia
[7] Inst Pulm Dis Vojvodina, Sremska Kamen, Serbia
[8] Univ Novi Sad, Fac Med, Dept Nursing, Novi Sad, Serbia