Received: 25 August 2019
Accepted: 27 August 2020
First Online: 21 September 2020
Ethics approval and consent to participate
: The Ethics Committee of Alborz University of Medical Sciences approved the study (ID: Abzums.Rec.1397.064), dated 05.08.2018. All participants signed the written consent forms. All participations were assured regarding their privacy. All the farmers were informed about the aims of study and freedom for participation.
: The authors declare that they have no competing interests.