1. Assistant Professor, School of Health, Guilan Univ. of Medical Sciences, Rasht, Iran.
2. Postgraduate Student, School of Health, Guilan Univ. of Medical Sciences, Rasht, Iran.
3. Assistant Professor, School of Health, Guilan Univ. of Medical Sciences, Rasht, Iran; Postgraduate Student, Research Center of Health and Environment, Guilan Univ. of Medical Sciences, Rasht, Iran.
4. Assistant Professor, School of Public Health, Tehran Univ. of Medical Sciences, Tehran, Iran; Center for Solid Waste Research, Institute for Environmental Research, Tehran Univ. of Medical Sciences, Tehran, Iran; National Institute of Health Research, Tehran Univ. of Medical Sciences, Tehran, Iran (corresponding author).