Re: Vitamin D and gestational diabetes mellitus: a systematic review based on data free of Hawthorne effect

Affiliations

• ¹ CIBER Bioengineering, Biomaterials and Nanotechnology, Instituto de Salud Carlos III, Zaragoza, Spain.
• ² Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain.
• ³ Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.
• ⁴ Institute of Metabolic Science, Addenbrookes Hospital, Cambridge, UK.
• ⁵ Department of Obstetrics and Gynecology, Medizinische Universitaet Graz, Graz, Austria.
• ⁶ Departments of Endocrinology and Obstetrics, Centre for Pregnant Women with Diabetes, Rigshospitalet, Copenhagen, Denmark.
• ⁷ Division of Endocrinology, Department of Medicine III, Gender Medicine Unit, Medical University of Vienna, Vienna, Austria.
• ⁸ National University of Ireland, Galway, Ireland.
• ⁹ Division of Reproduction, Medical Faculty I, Poznan University of Medical Sciences, Poznan, Poland.
• ¹⁰ Universita Degli Studi di Padova, Padua, Italy.
• ¹¹ KU Leuven Department of Development and Regeneration: Pregnancy, Fetus and Neonate, Leuven, Belgium.
• ¹² Recherche en Santé Lawson SA, St Gallen, Switzerland.
• ¹³ Department of Endocrinology and Department of Gynaecology and Obstetrics, Odense University Hospital, Odense, Denmark.
• ¹⁴ Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy.
• ¹⁵ Department of Public and Occupational Health, Amsterdam Public Health Research institute, VU University Medical Centre, Amsterdam, the Netherlands.
• ¹⁶ Department of Medical Psychology, VU University Medical Centre and Academic Medical Centre, Amsterdam, the Netherlands.