Al, Mohammed I; Abaalkhail, Faisal A; Bahili, Hamad Al; Abdo, Almoutaz Hashim; Elsiesy, Hussein A; Al, Mohammed S; El Sheikh, Yasser M; Hegab, Bassem S; Kamel, Yasser M; AlGoufi, Talal T; Hasssan, Hazem H; Burdelski, Martin M; Al, Mohammad A; Abdelfattah, Mohamed R; Attallah, Khaled M; Mahmood, Talat Z; Saleh, Yahya Z; Eldeen, Firas Zahr; Broering, Dieter C