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Fraissinet F, Girot H, Gillibert A, Melin A, Fettig J, Brunel V. Stability of adrenocorticotropic hormone in whole blood samples: effects of storage conditions. Biochem Med (Zagreb) 2024; 34:030702. [PMID: 39171091 PMCID: PMC11334200 DOI: 10.11613/bm.2024.030702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 05/24/2024] [Indexed: 08/23/2024] Open
Abstract
Introduction Adrenocorticotropic hormone (ACTH) is a peptide secreted by pituitary gland that plays an important role in regulating cortisol secretion. Its determination is difficult because of instability in whole blood. Several factors that influence ACTH stability in blood before analysis have been identified: temperature, hemolysis, time to centrifugation and presence of protease inhibitors. Published results on ACTH whole blood stability seem contradictory. Materials and methods We performed a stability study in 10 healthy volunteers. Three different conditions were tested: ethylenediaminetetraacetic acid (EDTA) at 4 °C, EDTA + aprotinin at 4 °C, EDTA + aprotinin at room temperature. Stability was evaluated for 8 hours. Adrenocorticotropic hormone measurements and hemolysis index were performed respectively on Cobas e602 and c701 (Roche Diagnostics, Mannheim, Germany). We compared percentage deviations with total change limit using a threshold of 7.5%. Results We showed that ACTH is stable 8 hours with EDTA at 4 °C, 4 hours with EDTA + aprotinin at 4 °C and 2 hours with EDTA + aprotinin at 22 °C. Conclusions Aprotinin does not appear to give ACTH greater stability but can be used without exceeding 4 hours at 4 °C. Refrigerated pouch transport also seems to be more appropriate for ACTH in whole blood.
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Affiliation(s)
- François Fraissinet
- General Biochemistry Department, Institute for Clinical Biology, Rouen University Hospital, Rouen, France
- UNIROUEN, Normandie University, INSERM, U1239, NorDiC, Rouen, France
| | - Hélène Girot
- General Biochemistry Department, Institute for Clinical Biology, Rouen University Hospital, Rouen, France
| | - André Gillibert
- Biostatistics Department, Rouen University Hospital, Rouen, France
| | - Anaïs Melin
- General Biochemistry Department, Institute for Clinical Biology, Rouen University Hospital, Rouen, France
| | - Julie Fettig
- General Biochemistry Department, Institute for Clinical Biology, Rouen University Hospital, Rouen, France
| | - Valéry Brunel
- General Biochemistry Department, Institute for Clinical Biology, Rouen University Hospital, Rouen, France
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Lee EB, Sayem SAJ, Lee GY, Kim TW, Hossain MA, Park SC. Assessment of Plasma Tylosin Concentrations: A Comparative Study of Immunoassay, Microbiological Assay, and Liquid Chromatography/Mass Spectrometry. Antibiotics (Basel) 2023; 12:1023. [PMID: 37370342 DOI: 10.3390/antibiotics12061023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/02/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023] Open
Abstract
Employing affordable and uncomplicated sample preparation techniques to recommend the most efficient antibacterial therapy could help reduce antibiotic-resistant bacteria. This study evaluated the suitability of immunoassays and microbiological assays as alternatives for liquid chromatography/mass spectrometry (LC/MS) in determining plasma tylosin concentrations after intramuscular administration at a dose of 20 mg/kg to both healthy and diseased pigs in clinical veterinary practice. The diseased pigs were confirmed using the target genes Actinobacillus pleuropneumoniae (apxIVA) and Pasteurella multocida (kmt1). The methods showed good linearity, precision, and accuracy. In both healthy and diseased pigs, a significant correlation was observed between LC/MS and the microbiological assay (Pearson correlation coefficient: 0.930, p < 0.001 vs. Pearson correlation coefficient: 0.950, p < 0.001) and between LC/MS and the enzyme-linked immunosorbent assay (ELISA) (Pearson correlation coefficient: 0.933; p < 0.001 vs. Pearson correlation coefficient: 0.976, p < 0.001). A strong correlation was observed between the microbiological assay and the ELISA in both healthy and diseased pigs (Pearson correlation coefficient: 0.911; p < 0.001 vs. Pearson correlation coefficient: 0.908, p < 0.001). A Bland-Altman analysis revealed good agreement between the methods, i.e., 95% of the differences were within the limits of agreement. Therefore, the microbiological assay and the ELISA, which demonstrated sufficient precision and accuracy, can be viable alternatives to LC/MS when it is unavailable.
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Affiliation(s)
- Eon-Bee Lee
- Laboratory of Veterinary Pharmacokinetics and Pharmacodynamics, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Syed Al Jawad Sayem
- Laboratory of Veterinary Pharmacokinetics and Pharmacodynamics, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Ga-Yeong Lee
- Laboratory of Veterinary Pharmacokinetics and Pharmacodynamics, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Tae-Won Kim
- College of Veterinary Medicine, Institute of Veterinary Science, Chungnam National University, 99 Daehak-Ro, Yuseong-Gu, Daejeon 34134, Republic of Korea
| | - Md Akil Hossain
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, 801 S., Chicago, IL 60612, USA
| | - Seung-Chun Park
- Laboratory of Veterinary Pharmacokinetics and Pharmacodynamics, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Republic of Korea
- Cardiovascular Research Institute, Kyungpook National University, Daegu 41566, Republic of Korea
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Tabarin A, Assié G, Barat P, Bonnet F, Bonneville JF, Borson-Chazot F, Bouligand J, Boulin A, Brue T, Caron P, Castinetti F, Chabre O, Chanson P, Corcuff JB, Cortet C, Coutant R, Dohan A, Drui D, Espiard S, Gaye D, Grunenwald S, Guignat L, Hindie E, Illouz F, Kamenicky P, Lefebvre H, Linglart A, Martinerie L, North MO, Raffin-Samson ML, Raingeard I, Raverot G, Raverot V, Reznik Y, Taieb D, Vezzosi D, Young J, Bertherat J. Consensus statement by the French Society of Endocrinology (SFE) and French Society of Pediatric Endocrinology & Diabetology (SFEDP) on diagnosis of Cushing's syndrome. ANNALES D'ENDOCRINOLOGIE 2022; 83:119-141. [PMID: 35192845 DOI: 10.1016/j.ando.2022.02.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Cushing's syndrome is defined by prolonged exposure to glucocorticoids, leading to excess morbidity and mortality. Diagnosis of this rare pathology is difficult due to the low specificity of the clinical signs, the variable severity of the clinical presentation, and the difficulties of interpretation associated with the diagnostic methods. The present consensus paper by 38 experts of the French Society of Endocrinology and the French Society of Pediatric Endocrinology and Diabetology aimed firstly to detail the circumstances suggesting diagnosis and the biologic diagnosis tools and their interpretation for positive diagnosis and for etiologic diagnosis according to ACTH-independent and -dependent mechanisms. Secondly, situations making diagnosis complex (pregnancy, intense hypercortisolism, fluctuating Cushing's syndrome, pediatric forms and genetically determined forms) were detailed. Lastly, methods of surveillance and diagnosis of recurrence were dealt with in the final section.
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Affiliation(s)
- Antoine Tabarin
- Service Endocrinologie, Diabète et Nutrition, Université, Hôpital Haut-Leveque CHU de Bordeaux, 33604 Pessac, France.
| | - Guillaume Assié
- Centre de Référence Maladies Rares de la Surrénale (CRMRS), Service d'Endocrinologie, Hôpital Cochin, AP-HP, Université de Paris, Paris, France
| | - Pascal Barat
- Unité d'Endocrinologie-Diabétologie-Gynécologie-Obésité Pédiatrique, Hôpital des Enfants CHU Bordeaux, Bordeaux, France
| | - Fidéline Bonnet
- UF d'Hormonologie Hôpital Cochin, Université de Paris, Institut Cochin Inserm U1016, CNRS UMR8104, Paris, France
| | | | - Françoise Borson-Chazot
- Fédération d'Endocrinologie, Hôpital Louis-Pradel, Hospices Civils de Lyon, INSERM U1290, Université Lyon1, 69002 Lyon, France
| | - Jérôme Bouligand
- Faculté de Médecine Paris-Saclay, Unité Inserm UMRS1185 Physiologie et Physiopathologie Endocriniennes, Paris, France
| | - Anne Boulin
- Service de Neuroradiologie, Hôpital Foch, 92151 Suresnes, France
| | - Thierry Brue
- Aix-Marseille Université, Institut National de la Recherche Scientifique (INSERM) U1251, Marseille Medical Genetics, Marseille, France; Assistance publique-Hôpitaux de Marseille, Service d'Endocrinologie, Hôpital de la Conception, Centre de Référence Maladies Rares HYPO, 13005 Marseille, France
| | - Philippe Caron
- Service d'Endocrinologie et Maladies Métaboliques, Pôle Cardiovasculaire et Métabolique, CHU Larrey, 24, chemin de Pouvourville, TSA 30030, 31059 Toulouse cedex, France
| | - Frédéric Castinetti
- Aix-Marseille Université, Institut National de la Recherche Scientifique (INSERM) U1251, Marseille Medical Genetics, Marseille, France; Assistance publique-Hôpitaux de Marseille, Service d'Endocrinologie, Hôpital de la Conception, Centre de Référence Maladies Rares HYPO, 13005 Marseille, France
| | - Olivier Chabre
- Université Grenoble Alpes, UMR 1292 INSERM-CEA-UGA, Endocrinologie, CHU Grenoble Alpes, 38000 Grenoble, France
| | - Philippe Chanson
- Université Paris-Saclay, Inserm, Physiologie et Physiopathologie Endocriniennes, Assistance publique-Hôpitaux de Paris, Hôpital Bicêtre, Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des Maladies Rares de l'Hypophyse HYPO, Le Kremlin-Bicêtre, France
| | - Jean Benoit Corcuff
- Laboratoire d'Hormonologie, Service de Médecine Nucléaire, CHU Bordeaux, Laboratoire NutriNeuro, UMR 1286 INRAE, Université de Bordeaux, Bordeaux, France
| | - Christine Cortet
- Service d'Endocrinologie, Diabétologie, Métabolisme et Nutrition, CHU de Lille, Lille, France
| | - Régis Coutant
- Service d'Endocrinologie Pédiatrique, CHU Angers, Centre de Référence, Centre Constitutif des Maladies Rares de l'Hypophyse, CHU Angers, Angers, France
| | - Anthony Dohan
- Department of Radiology A, Hôpital Cochin, AP-HP, 75014 Paris, France
| | - Delphine Drui
- Service Endocrinologie-Diabétologie et Nutrition, l'institut du Thorax, CHU Nantes, 44092 Nantes cedex, France
| | - Stéphanie Espiard
- Service d'Endocrinologie, Diabétologie, Métabolisme et Nutrition, INSERM U1190, Laboratoire de Recherche Translationnelle sur le Diabète, 59000 Lille, France
| | - Delphine Gaye
- Service de Radiologie, Hôpital Haut-Lêveque, CHU de Bordeaux, 33604 Pessac, France
| | - Solenge Grunenwald
- Service d'Endocrinologie, Hôpital Larrey, CHU Toulouse, Toulouse, France
| | - Laurence Guignat
- Centre de Référence Maladies Rares de la Surrénale (CRMRS), Service d'Endocrinologie, Hôpital Cochin, AP-HP, Université de Paris, Paris, France
| | - Elif Hindie
- Service de Médecine Nucléaire, CHU de Bordeaux, Université de Bordeaux, Bordeaux, France
| | - Frédéric Illouz
- Centre de Référence Maladies Rares de la Thyroïde et des Récepteurs Hormonaux, Service Endocrinologie-Diabétologie-Nutrition, CHU Angers, 49933 Angers cedex 9, France
| | - Peter Kamenicky
- Assistance publique-Hôpitaux de Paris, Hôpital Bicêtre, Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des Maladies Rares de l'Hypophyse, 94275 Le Kremlin-Bicêtre, France
| | - Hervé Lefebvre
- Service d'Endocrinologie, Diabète et Maladies Métaboliques, CHU de Rouen, Rouen, France
| | - Agnès Linglart
- Paris-Saclay University, AP-HP, Endocrinology and Diabetes for Children, Reference Center for Rare Disorders of Calcium and Phosphate Metabolism, Filière OSCAR, and Platform of Expertise for Rare Disorders, INSERM, Physiologie et Physiopathologie Endocriniennes, Bicêtre Paris-Saclay Hospital, Le Kremlin-Bicêtre, France
| | - Laetitia Martinerie
- Service d'Endocrinologie Pédiatrique, CHU Robert-Debré, AP-HP, Paris, France; Université de Paris, Paris, France
| | - Marie Odile North
- Service de Génétique et Biologie Moléculaire, Hôpital Cochin, AP-HP, Université de Paris, Paris, France
| | - Marie Laure Raffin-Samson
- Service d'Endocrinologie Nutrition, Hôpital Ambroise-Paré, GHU Paris-Saclay, AP-HP Boulogne, EA4340, Université de Versailles-Saint-Quentin, Paris, France
| | - Isabelle Raingeard
- Maladies Endocriniennes, Hôpital Lapeyronie, CHU Montpellier, Montpellier, France
| | - Gérald Raverot
- Fédération d'Endocrinologie, Centre de Référence Maladies Rares Hypophysaires, "Groupement Hospitalier Est", Hospices Civils de Lyon, Lyon, France
| | - Véronique Raverot
- Hospices Civils de Lyon, LBMMS, Centre de Biologie Est, Service de Biochimie et Biologie Moléculaire, 69677 Bron cedex, France
| | - Yves Reznik
- Department of Endocrinology and Diabetology, CHU Côte-de-Nacre, 14033 Caen cedex, France; University of Caen Basse-Normandie, Medical School, 14032 Caen cedex, France
| | - David Taieb
- Aix-Marseille Université, CHU La Timone, AP-HM, Marseille, France
| | - Delphine Vezzosi
- Service d'Endocrinologie, Hôpital Larrey, CHU Toulouse, Toulouse, France
| | - Jacques Young
- Assistance publique-Hôpitaux de Paris, Hôpital Bicêtre, Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des Maladies Rares de l'Hypophyse, 94275 Le Kremlin-Bicêtre, France
| | - Jérôme Bertherat
- Centre de Référence Maladies Rares de la Surrénale (CRMRS), Service d'Endocrinologie, Hôpital Cochin, AP-HP, Université de Paris, Paris, France
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Chai Y, Li Q, Wang Y, Tao E, Asakawa T. The Value of HPA Axis Hormones as Biomarkers for Screening and Early Diagnosis of Postpartum Depression: Updated Information About Methodology. Front Endocrinol (Lausanne) 2022; 13:916611. [PMID: 35903273 PMCID: PMC9315198 DOI: 10.3389/fendo.2022.916611] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 05/25/2022] [Indexed: 12/30/2022] Open
Abstract
Because of the high prevalence of postpartum depression (PPD) and the suffering involved, early diagnosis is urgent; however, current screening tools and diagnosis are inadequate. In addition to conventional methods such as the Edinburgh Postnatal Depression Scale and clinical interviews, several hormones in the hypothalamic-pituitary-adrenal (HPA) axis, such as corticotrophin-releasing hormone, adrenocorticotropic hormone, and cortisol, have been considered because of their critical roles in stress regulation in the mothers. The study designs are complicated, however, and so the effectiveness of these hormones as biomarkers for PPD is still controversial. Such inconsistency may have resulted from the variation in methodology between studies. The methodology problems in the investigation of PPD and HPA axis hormones have not been reported extensively. We therefore sought to summarize the methodological problems of studies published in the past decade, including the strengths and weaknesses of the examinations and the technological difficulties involved. Our findings suggest that (a) suitable samples and appropriate detection methods would reduce heterogeneity among trials; (b) the cutoff value of the scale test should be carefully selected for determining the performance of biomarker tests; (c) evaluation methods and criteria should be chosen with consideration of the tools feasible for use in local hospitals and population; and (d) the cost of diagnosis should be reduced. We hope that these findings provide insight for future investigations of HPA axis hormones as biomarkers for screening and early diagnosis of PPD.
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Affiliation(s)
- Yujuan Chai
- Department of Biomedical Engineering, Shenzhen University, Shenzhen, China
| | - Qihang Li
- Department of Biomedical Engineering, Shenzhen University, Shenzhen, China
| | - Yang Wang
- Greater Bay Area International Institute for Innovation, Shenzhen University, Shenzhen, China
| | - Enxiang Tao
- Department of Neurology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China
| | - Tetsuya Asakawa
- Department of Neurology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China
- Institute of Neurology, The Third People’s Hospital of Shenzhen, Shenzhen, China
- Research Base of Traditional Chinese Medicine Syndrome, Fujian University of Traditional Chinese Medicine, Fuzhou, China
- *Correspondence: Tetsuya Asakawa, ; orcid.org/0000-0002-2300-3509
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Winzinger EP, Jandikova H, Haase M, Knauerhase A, Winzinger T, Schott M, Willenberg HS. DHEAS and Differential Blood Counts as Indirect Signs of Glucocorticoid Excess in Adrenal Non-Producing Adenomas. Horm Metab Res 2021; 53:512-519. [PMID: 34384108 DOI: 10.1055/a-1539-6442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The majority of incidentally discovered adrenal tumors are later characterized as non-producing adrenocortical adenomas (NPA). We asked whether laboratory abnormalities in parameters that reflect glucocorticoid action can be found in patients with NPA despite their nature of being clinically unapparent. Since glucocorticoids are potent immunosuppressants we studied blood counts and differential blood counts along with corticotropin and dehydroepiandrostenedione sulfate (DHEAS) blood concentrations, as well as cortisol values before and after an overnight 1 mg dexamethasone suppression test. We compared the results of normal individuals, of patients with adrenal adenomas and normal hormone profiles and with subclinical autonomous glucocorticoid hypersecretion, as well as overt cortisol excess. We found that almost all indices of the blood counts were significantly different between the patients groups. In particular, patients with adrenal non-producing adenomas already showed signs of glucocorticoid excess, including relative lymphocytopenia, lowered DHEAS, and ACTH concentrations than control individuals. We also found that the extent of lymphocytopenia correlated with the concentrations of DHEAS and ACTH, and DHEAS correlated well with ACTH. We conclude that the basal ACTH and DHEAS values along with the differential blood counts give good information on the extent of glucocorticoid excess and that silent adrenal adenomas seem to oversecrete glucocorticoids at concentrations that already alter these parameters.
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Affiliation(s)
- Eliza P Winzinger
- Division of Endocrinology and Metabolism, Rostock University Medical Center, Rostock, Germany
| | - Hana Jandikova
- Third Department of Medicine - Clinic of Endocrinology and Metabolism, Charles University First Faculty of Medicine, Prague, Czech Republic
- Division for Specific Endocrinology, University Hospital Dusseldorf, Medical Faculty HHU Dusseldorf, Dusseldorf, Germany
| | - Matthias Haase
- Division for Specific Endocrinology, University Hospital Dusseldorf, Medical Faculty HHU Dusseldorf, Dusseldorf, Germany
| | - Andreas Knauerhase
- Division of Endocrinology and Metabolism, Rostock University Medical Center, Rostock, Germany
| | - Tudor Winzinger
- Division of Endocrinology and Metabolism, Rostock University Medical Center, Rostock, Germany
| | - Matthias Schott
- Division for Specific Endocrinology, University Hospital Dusseldorf, Medical Faculty HHU Dusseldorf, Dusseldorf, Germany
| | - Holger S Willenberg
- Division of Endocrinology and Metabolism, Rostock University Medical Center, Rostock, Germany
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Hillebrand JJ, Wickenhagen WV, Heijboer AC. Improving Science by Overcoming Laboratory Pitfalls With Hormone Measurements. J Clin Endocrinol Metab 2021; 106:e1504-e1512. [PMID: 33382880 PMCID: PMC7993596 DOI: 10.1210/clinem/dgaa923] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Indexed: 12/12/2022]
Abstract
Despite all the effort taken, there is often surprisingly little attention paid to the hormone analyses involved in research studies. Thinking carefully about the quality of the hormone measurements in these studies is, however, of major importance, as this attention to methods may prevent false conclusions and inappropriate follow-up studies. We discuss issues regarding hormone measurements that one should consider, ideally prior to starting, or otherwise, as they arise during a scientific study: quality of the technique, expertise, matrices, timing and storage conditions, freeze-thaw cycles, lot-to-lot and day-to-day variation, analyses per batch or sample-wise, singlicate or duplicate measurements, combining methods, and standardization. This article and the examples mentioned herein aim to clarify the need to pay attention to the hormone analyses, and to help in making decisions. In addition, these examples help editors and reviewers of scientific journals to pay attention to the methods section in the submitted manuscripts and ask the right critical questions when needed.
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Affiliation(s)
- Jacquelien J Hillebrand
- Amsterdam UMC, Vrije Universiteit Amsterdam and University of Amsterdam, Endocrine Laboratory, Department of Clinical Chemistry, Amsterdam Gastroenterology Endocrinology & Metabolism, Amsterdam, Netherlands
| | - Wjera V Wickenhagen
- Amsterdam UMC, Vrije Universiteit Amsterdam and University of Amsterdam, Endocrine Laboratory, Department of Clinical Chemistry, Amsterdam Gastroenterology Endocrinology & Metabolism, Amsterdam, Netherlands
| | - Annemieke C Heijboer
- Amsterdam UMC, Vrije Universiteit Amsterdam and University of Amsterdam, Endocrine Laboratory, Department of Clinical Chemistry, Amsterdam Gastroenterology Endocrinology & Metabolism, Amsterdam, Netherlands
- Correspondence: Annemieke C. Heijboer, Amsterdam UMC, Endocrine Laboratory (K2-283), Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
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