[1] Athens Med Ctr, Dept Paediat Adolescent Endocrinol & Diabet, Athens, Greece
[2] Genet Diagnost Network GENDIA, Antwerp, Belgium
[3] Univ Athens, Sch Med, GR-11527 Athens, Greece
[4] Athens Med Ctr, Dept Pediat, Athens, Greece
[5] Attikon Univ Hosp, Pediat Endocrine Unit, Dept Pediat 3, Athens, Greece