About the Authors

Reza Jahangiri

Contributed equally to this work with: Reza Jahangiri, Aziz Rezapour, Alireza Olyaeemanesh

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Resources, Validation, Visualization, Writing – original draft

Affiliation Department of Health Economics, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran

Aziz Rezapour

Contributed equally to this work with: Reza Jahangiri, Aziz Rezapour, Alireza Olyaeemanesh

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Supervision, Writing – review & editing

Rezapour.a@iums.ac.ir

Affiliation Health Management and Economics Research Center, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran

Reza Malekzadeh

Roles Project administration, Supervision, Writing – review & editing

‡ RM, GR and SAM also contributed equally to this work.

Affiliation Digestive Diseases Research Center, Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran

Alireza Olyaeemanesh

Contributed equally to this work with: Reza Jahangiri, Aziz Rezapour, Alireza Olyaeemanesh

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

Affiliation National Institute for Health Research & Health Equity Research Centre, Tehran University of Medical Sciences, Tehran, Iran

Gholamreza Roshandel

Roles Conceptualization, Writing – original draft, Writing – review & editing

‡ RM, GR and SAM also contributed equally to this work.

Affiliation Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran

Seyed Abbas Motevalian

Roles Conceptualization, Data curation, Investigation, Validation, Writing – original draft, Writing – review & editing

‡ RM, GR and SAM also contributed equally to this work.

Affiliation Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran

Competing Interests

The authors have declared that no competing interests exist.