TSHR and Graves disease: Takahashi et al. [13] examined the serum sample of a 74-year-old male patient who received an incorrect Graves’ disease diagnosis and treatment (methimazole) due to erroneously high free triiodothyronine (FT4), free thyroxine (FT3) and thyrotropin receptor antibody (TRAb) levels as a result of Elesys assay kits (Roche Diagnostics GmbH) analysis.