Effects of medical and surgical treatment on vitamin D levels in obesity

• Ala Mejaddam ,

  Contributed equally to this work with: Ala Mejaddam, Gudrún Höskuldsdóttir, Björn Eliasson, Kerstin Landin-Wilhelmsen

  Roles Conceptualization, Formal analysis, Methodology, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: alaa.mejaddam@gu.se

  Affiliations Department of Internal Medicine, Sahlgrenska University Hospital/Östra, Gothenburg, Sweden, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

  https://orcid.org/0000-0002-5619-2684

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• Gudrún Höskuldsdóttir ,

  Contributed equally to this work with: Ala Mejaddam, Gudrún Höskuldsdóttir, Björn Eliasson, Kerstin Landin-Wilhelmsen

  Roles Conceptualization, Formal analysis, Methodology, Supervision, Validation, Visualization, Writing – review & editing

  Affiliations Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden, Section for Endocrinology and Diabetology, Department of Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden

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• Frida Lenér ,

  Roles Data curation, Writing – review & editing

  ¶‡ FL, VW, PT, LF and KM also contributed equally to this work.

  Affiliations Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden, Department of Public Health and Community Medicine Primary Health Care, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

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• Ville Wallenius ,

  Roles Data curation, Project administration, Writing – review & editing

  ¶‡ FL, VW, PT, LF and KM also contributed equally to this work.

  Affiliation Department of Surgery, Institution for Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

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• Penelope Trimpou ,

  Roles Data curation, Writing – review & editing

  ¶‡ FL, VW, PT, LF and KM also contributed equally to this work.

  Affiliations Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden, Section for Endocrinology and Diabetology, Department of Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden

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• Lars Fändriks ,

  Roles Conceptualization, Data curation, Funding acquisition, Project administration, Writing – review & editing

  ¶‡ FL, VW, PT, LF and KM also contributed equally to this work.

  Affiliation Department of Surgery, Institution for Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

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• Karin Mossberg ,

  Roles Conceptualization, Data curation, Funding acquisition, Project administration, Writing – review & editing

  ¶‡ FL, VW, PT, LF and KM also contributed equally to this work.

  Affiliations Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden, Department of Public Health and Community Medicine Primary Health Care, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

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• Björn Eliasson ,

  Contributed equally to this work with: Ala Mejaddam, Gudrún Höskuldsdóttir, Björn Eliasson, Kerstin Landin-Wilhelmsen

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – review & editing

  Affiliation Section for Endocrinology and Diabetology, Department of Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden

  https://orcid.org/0000-0003-2569-4160

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• Kerstin Landin-Wilhelmsen

  Contributed equally to this work with: Ala Mejaddam, Gudrún Höskuldsdóttir, Björn Eliasson, Kerstin Landin-Wilhelmsen

  Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – review & editing

  Affiliations Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden, Section for Endocrinology and Diabetology, Department of Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden

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