Authors: Abdulaziz M Al-Swailem; Maher M Shehata; Faisel M Abu-Duhier; Essam J Al-Yamani; Khalid A Al-Busadah; Mohammed S Al-Arawi; Ali Y Al-Khider; Abdullah N Al-Muhaimeed; Fahad H Al-Qahtani; Manee M Manee; Badr M Al-Shomrani; Saad M Al-Qhtani; Amer S Al-Harthi; Kadir C Akdemir; Mehmet S Inan; Hasan H Otu Journal: PLoS One Date: 2010-05-19 Impact factor: 3.240