About the Authors

Fatemeh Malekzadeh

Affiliation Digestive Disease Research Center, Medical Sciences, University of Tehran, Tehran, Iran

Corinne Alberti

Affiliations APHP, Unité d'épidémiologie clinique, Hôpital Robert Debré, Paris, France, INSERM CIE5, Paris, France

Mehdi Nouraei

Affiliation Digestive Disease Research Center, Medical Sciences, University of Tehran, Tehran, Iran

Homayoon Vahedi

Affiliation Digestive Disease Research Center, Medical Sciences, University of Tehran, Tehran, Iran

Isabelle Zaccaria

Affiliations APHP, Unité d'épidémiologie clinique, Hôpital Robert Debré, Paris, France, INSERM CIE5, Paris, France

Ulrich Meinzer

Affiliations AP-HP, service de gastroentérologie pédiatrique, Hôpital Robert Debré, Paris, France, Université Paris Diderot, Paris, France, INSERM U843, Paris, France

Siavosh Nasseri-Moghaddam

Affiliation Digestive Disease Research Center, Medical Sciences, University of Tehran, Tehran, Iran

Rasoul Sotoudehmanesh

Affiliation Digestive Disease Research Center, Medical Sciences, University of Tehran, Tehran, Iran

Sara Momenzadeh

Affiliation Digestive Disease Research Center, Medical Sciences, University of Tehran, Tehran, Iran

Reza Khaleghnejad

Affiliation Digestive Disease Research Center, Medical Sciences, University of Tehran, Tehran, Iran

Shahrooz Rashtak

Affiliation Digestive Disease Research Center, Medical Sciences, University of Tehran, Tehran, Iran

Golrokh Olfati

Affiliation Digestive Disease Research Center, Medical Sciences, University of Tehran, Tehran, Iran

Reza Malekzadeh

Affiliation Digestive Disease Research Center, Medical Sciences, University of Tehran, Tehran, Iran

Jean-Pierre Hugot

jean-pierre.hugot@rdb.aphp.fr

Affiliations AP-HP, service de gastroentérologie pédiatrique, Hôpital Robert Debré, Paris, France, Université Paris Diderot, Paris, France, INSERM U843, Paris, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CA UM GO RM JPH. Performed the experiments: FM. Analyzed the data: FM CA IZ GO RM JPH. Contributed reagents/materials/analysis tools: FM MN HV SNM RS SM RK SR. Wrote the paper: FM CA IZ RM JPH.