The association between serum levels of micronutrients and the severity of disease in patients with COVID-19.

"Conflict of interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper."

"The authors are grateful to the Tehran University of Medical Sciences and Health Services for the COVID-19 grant (Project registration number: 99-1-101-47100). In addition, the authors appreciate the support and constructive comments of the methodology research development office, Imam Khomeini Hospital Complex, in Tehran, Iran. Mohammad Taghi Beigmohammadi: Methodology, Investigation, Data Curation, Writing - Review & Editing; Sama Bitarafan: Conceptualization, Methodology, Visualization, Supervision, Project administration, Funding acquisition, Writing - Review & Editing; Alireza Abdollahi: Investigation, Resources; Laya Amoozadeh: Investigation, Data Curation, Visualization; Faeze Salahshour: Investigation, Resources, Data Curation; Maedeh Mahmoodi ali abadi: Investigation, Resources; Danesh Soltani: Formal analysis, Software, Writing - Review & Editing;Zoya Asl Motalebnegad: Formal analysis, Writing - Original Draft. The Tehran University of Medical Sciences and Health Services provided funding for the present study (Grant number: 99-1-101-47100)."

"The authors are grateful to the Tehran University of Medical Sciences and Health Services for the COVID-19 grant (Project registration number: 99-1-101-47100). In addition, the authors appreciate the support and constructive comments of the methodology research development office, Imam Khomeini Hospital Complex, in Tehran, Iran."