Vitamin B12 deficiency and neuropsychiatric symptoms in Lebanon: A cross-sectional study of vegans, vegetarians, and omnivores

• Omar Al Jassem ,

  Contributed equally to this work with: Omar Al Jassem, Karim Kheir

  Roles Data curation, Methodology, Resources, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  * Omaror75@gmail.com

  ¶☯ These authors contributed equally to this work.

  Affiliations Faculty of Medical Sciences, Neuroscience Research Center, Lebanese University, Beirut, Lebanon, Faculty of Medical Sciences, Lebanese University, Beirut, Lebanon

  https://orcid.org/0009-0009-4691-846X

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• Karim Kheir ,

  Contributed equally to this work with: Omar Al Jassem, Karim Kheir

  Roles Data curation, Methodology, Resources, Writing – original draft, Writing – review & editing

  ¶☯ These authors contributed equally to this work.

  Affiliation Faculty of Medical Sciences, Lebanese University, Beirut, Lebanon

  ⨯
• Ali Ismail,

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Writing – original draft, Writing – review & editing

  Affiliations Faculty of Medical Sciences, Neuroscience Research Center, Lebanese University, Beirut, Lebanon, Faculty of Medical Sciences, Lebanese University, Beirut, Lebanon

  https://orcid.org/0000-0001-5602-3883

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• Linda Abou-Abbas,

  Roles Data curation, Methodology, Supervision, Visualization, Writing – review & editing

  Affiliations Faculty of Medical Sciences, Neuroscience Research Center, Lebanese University, Beirut, Lebanon, INSPECT-LB, Institut National de Santé Publique, Epidémiologie Clinique et Toxicologie, Faculty of Public Health, Lebanese University, Fanar, Lebanon

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• Alaa Masri,

  Roles Methodology, Software, Writing – original draft

  Affiliation Faculty of Medical Sciences, Lebanese University, Beirut, Lebanon

  ⨯
• Celine Haddad,

  Roles Conceptualization, Methodology, Writing – original draft

  Affiliation Faculty of Medical Sciences, Neuroscience Research Center, Lebanese University, Beirut, Lebanon

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• Jad El Masry,

  Roles Data curation, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Department of Anatomy, Cell Biology, and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut, Lebanon

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• Khalil Nasrallah

  Roles Conceptualization, Data curation, Methodology, Resources, Supervision, Writing – original draft, Writing – review & editing

  Affiliation Faculty of Medical Sciences, Neuroscience Research Center, Lebanese University, Beirut, Lebanon

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