0120-5307 0120-5307 S0120-53072020000200013 10.17533/udea.iee.v38n2e13 Iran Iran Iran Iran Iran Iran 00 08 2020 00 08 2020 38 2

1 World Health Organization (WHO). 2020 2 2020 3 World Health Organization. 2020 4 2020 5 2013 6 216 6 2020 M20-1342. 7 2020 105 1 1 104-5. 8 2020 41 5 5 493-8. 9 2020 5 293-308. 10 2020