[1] FAC MED MARSEILLE, INST NATL SANTE & RECH MED, LAB BIOCHIM MED, MARSEILLE, FRANCE
[2] ATHENS UNIV, ALEXANDRA HOSP, DEPT CLIN THERAPEUTICS & PEDIAT, ATHENS 611, GREECE
[3] FAC MED MARSEILLE, INST NATL SANTE & RECH MED, UNITE THYROIDIENNE, MARSEILLE, FRANCE
[4] ATHENS UNIV, ALEXANDRA HOSP, DEPT THYROID SECT, ATHENS 611, GREECE