title: Letter to the Editor: Comment on "Reconciling the Log-Linear and Non-Linear Aspects of the TSH-Free T4 Relationship: Intra-Individual Analysis of a Large Population" by Rothacker K.M., et al.
authors.affiliation: N Lakes Clinical (J.E.M.M), 20 Wheatley Ave, Ilkley LS29 8PT,UK; Klinik für Nuklearmedizin (R.L., R.H.), Klinikum Lüdenscheid, Paulmannshöherstr. 14, 58515 Lüdenscheid, Germany; Medical Department I (J.W.D), Endocrinology and Diabetology, Bergmannsheil University Hospitals, Ruhr University of Bochum, Buerkle-de-la-Camp-Platz 1, D-44789 Bochum, Germany; Ruhr Center for Rare Diseases (CeSER) (J.W.D.), Ruhr University of Bochum and Witten/Herdecke University, Alexandrinenstr. 5, D-44791 Bochum, Germany.
authors.forename: John E M
authors.initials: JE
authors.lastname: Midgley
authors.affiliation: N Lakes Clinical (J.E.M.M), 20 Wheatley Ave, Ilkley LS29 8PT,UK; Klinik für Nuklearmedizin (R.L., R.H.), Klinikum Lüdenscheid, Paulmannshöherstr. 14, 58515 Lüdenscheid, Germany; Medical Department I (J.W.D), Endocrinology and Diabetology, Bergmannsheil University Hospitals, Ruhr University of Bochum, Buerkle-de-la-Camp-Platz 1, D-44789 Bochum, Germany; Ruhr Center for Rare Diseases (CeSER) (J.W.D.), Ruhr University of Bochum and Witten/Herdecke University, Alexandrinenstr. 5, D-44791 Bochum, Germany.
authors.forename: Rolf
authors.initials: R
authors.lastname: Larisch
authors.affiliation: N Lakes Clinical (J.E.M.M), 20 Wheatley Ave, Ilkley LS29 8PT,UK; Klinik für Nuklearmedizin (R.L., R.H.), Klinikum Lüdenscheid, Paulmannshöherstr. 14, 58515 Lüdenscheid, Germany; Medical Department I (J.W.D), Endocrinology and Diabetology, Bergmannsheil University Hospitals, Ruhr University of Bochum, Buerkle-de-la-Camp-Platz 1, D-44789 Bochum, Germany; Ruhr Center for Rare Diseases (CeSER) (J.W.D.), Ruhr University of Bochum and Witten/Herdecke University, Alexandrinenstr. 5, D-44791 Bochum, Germany.
authors.forename: Johannes W
authors.initials: JW
authors.lastname: Dietrich
authors.affiliation: N Lakes Clinical (J.E.M.M), 20 Wheatley Ave, Ilkley LS29 8PT,UK; Klinik für Nuklearmedizin (R.L., R.H.), Klinikum Lüdenscheid, Paulmannshöherstr. 14, 58515 Lüdenscheid, Germany; Medical Department I (J.W.D), Endocrinology and Diabetology, Bergmannsheil University Hospitals, Ruhr University of Bochum, Buerkle-de-la-Camp-Platz 1, D-44789 Bochum, Germany; Ruhr Center for Rare Diseases (CeSER) (J.W.D.), Ruhr University of Bochum and Witten/Herdecke University, Alexandrinenstr. 5, D-44791 Bochum, Germany.
authors.forename: Rudolf
authors.initials: R
authors.lastname: Hoermann
mesh_terms: D013960:Thyroid Function Tests; D013972:Thyrotropin; D013974:Thyroxine
chemical_list: D013972:Thyrotropin; D013974:Thyroxine