Received: 5 March 2021
Accepted: 1 June 2021
First Online: 18 June 2021
: The study was conducted under the sponsorship of the Institut Pasteur of Iran. The study protocol was performed in accordance with the Declaration of Helsinki, and was reviewed and approved by the Research Ethics Committee of Pasteur Institute of Iran (reference n° IR.PII.REC.1394.24). Informed written consent was obtained from both the adult participants and the parent(s)/legal guardian(s) of all under-18 s (minor children), and oral consent form was obtained from children aged over 7 years. Only individuals who agreed to participate were included in the study. Authorization for data processing has been obtained from French legal authority (<i>Commission Nationale Informatique et Liberté</i> [CNIL]), and pseudonymization of names was performed assigning a code specific to the study to each participant.
: Not applicable.
: The authors have declared that no conflict of interests exist.