[1] Children Clin, Med Fac, Pediat Endocrinol, Nish, Serbia
[2] Mother & Child Hlth Care Inst Serbia Dr Vukan Cup, Dept Endocrinol, Belgrade, Serbia
[3] Med Fac, Inst Children & Youth Hlth Care Vojvodina, Endocrinol, Novi Sad, Serbia
[4] Univ Children Hosp, Med Fac, Dept Endocrinol, Belgrade, Serbia
[5] Univ Kragujevac, Med Fac, Clin Ctr Kragujevac, Paediat Clin, Kragujevac, Serbia
[6] Univ Nis, Fac Med Nis, Dept Endocrinol, Nish, Serbia
[7] Univ Nis, Fac Med Nis, Dept Med Stat, Nish, Serbia
[8] Univ Nis, Fac Med, Epidemiol, Nish, Serbia
[9] Inst Children & Youth Hlth Care Vojvodina, Endocrinol, Novi Sad, Serbia
[10] Pediat Clin, Dept Endocrinol, Nish, Serbia
[11] Gen Hosp Kraljevo, Kraljevo, Serbia
[12] Gen Hosp Uzice, Uzice, Serbia
[13] Gen Hosp Subotica, Subotica, Serbia
[14] Gen Hosp Zrenjanin, Zrenjanin, Serbia
[15] Gen Hosp Cuprija, Cuprija, Serbia
[16] Gen Hosp Zajeca, Zajeca, Serbia
[17] Gen Hosp Cacak, Cacak, Serbia
[18] Gen Hosp Lozn, Loznica, Serbia
[19] Gen Hosp Sombor, Sombor, Serbia
[20] Special Hosp Bukovicka Banja, Bukovicka Banja, Serbia
[21] Univ Nis, Fac Med, Nish, Serbia