Received: 29 January 2021
Accepted: 19 November 2021
First Online: 7 December 2021
: PERSIAN Cohort Study is being performed in 18 geographical regions of Iran. PERSIAN Cohort Study was approved by the ethics committees of the Ministry of Health and Medical Education Fasa is one of the regions. This study is in agreement with the Helsinki declaration and Iranian national guidelines for ethics in research. (Reference number: IR.FUMS.RES.1394.3), and informed written consent was obtained from all participants.
: Written informed consenr for publication was obtained from each participant.
: The authors declare no competing interests.