1 World Health Organization Country Office Afghanistan, Kabul, Afghanistan. Electronic address: gainaa@who.int.
2 World Health Organization Country Office Afghanistan, Kabul, Afghanistan; High Institute of Public Health, Alexandria University, Alexandria Governorate, Egypt.
3 World Health Organization Country Office Afghanistan, Kabul, Afghanistan.
4 Ministry of Public Health, Kabul Afghanistan.
5 World Health Organization Country Office Afghanistan, Kabul, Afghanistan; Faculty of Medicine, Cairo University, Cairo, Egypt.