Authors’ Contribution:Study concept and design, Kamran Bagheri Lankarani and Sulmaz Ghahramani; acquisition of data, Aida Bagheri, Yasamin Dehghan, Farzaneh Kasraei, Marziye Keshtkar, Farnaz Peiravian, Sara Radandish, Samaneh Rostami, Asal Seifaei and Sepideh Setayesh; analysis and interpretation of data, Kamran Bagheri Lankarani and Sulmaz Ghahramani; drafting of the manuscript, Kamran Bagheri Lankarani and Sulmaz Ghahramani; critical revision of the manuscript for important intellectual content, Kamran Bagheri Lankarani and Sulmaz Ghahramani, Aida Bagheri, Yasamin Dehghan, Farzaneh Kasraei, Marziye Keshtkar, Farnaz Peiravian, Sara Radandish, Samaneh Rostami, Asal Seifaei and Sepideh Setayesh; statistical analysis, Sulmaz Ghahramani; administrative, technical, and material support, Kamran Bagheri Lankarani and Sulmaz Ghahramani; study supervision, Kamran Bagheri Lankarani and Sulmaz Ghahramani