arezoo rezazadeh department of community nutrition, national nutrition and food technology research institute, faculty of nutrition and food technology, shahid beheshti university of medical sciences, tehran, ir iran nasrin omidvar department of community nutrition, national nutrition and food technology research institute, faculty of nutrition and food technology, shahid beheshti university of medical sciences, tehran, ir iran; department of community nutrition, national nutrition and food technology research institute, faculty of nutrition and food technology, shahid beheshti university of medical sciences, tehran, ir iran. tel: +98-2122357484 hassan eini-zinab department of community nutrition, national nutrition and food technology research institute, faculty of nutrition and food technology, shahid beheshti university of medical sciences, tehran, ir iran mahmoud ghazi-tabatabaie department of demography, faculty of social sciences, tehran university, tehran, ir iran reza majdzadeh national institute of health research, tehran university of medical sciences, tehran, ir iran saeid ghavamzadeh nutrition department, faculty of medicine, urmia university of medical sciences, urmia, ir iran

behnaz rastegar far disaster and emergency management center, shiraz university of medical sciences, shiraz, ir iran; department of disaster public health, school of public health, tehran university of medical sciences, tehran, ir iran mohammad javad moradian department of disaster public health, school of public health, tehran university of medical sciences, tehran, ir iran; department of disaster and emeregncy health, national institute of health research, tehran university of medical sciences, tehran, ir iran; poorsina ave, department of disaster public health, school of public health, tehran university of medical sciences, tehran, ir iran. tel: +98-9177001094 ali ardalan department of disaster public health, school of public health, tehran university of medical sciences, tehran, ir iran; department of disaster and emeregncy health, national institute of health research, tehran university of medical sciences, tehran, ir iran; harvrad humanitarian initiative, harvard school of public health, boston, usa javad babaie department of disaster public health, school of public health, tehran university of medical sciences, tehran, ir iran; department of disaster and emeregncy health, national institute of health research, tehran university of medical sciences, tehran, ir iran