[1] Ziauddin Univ, Dept Management Technol & Informat Sci, Karachi, Pakistan
[2] Abu Dhabi Univ, Coll Business, Abu Dhabi 59911, U Arab Emirates
[3] Univ Oxford, Oxford Ctr Islamic Studies, Oxford OX3 0EE, England
[4] Univ Liverpool, Fac Humanities & Social Sci, Liverpool L69 3BX, England
[5] Huazhong Univ Sci & Technol, Sch Management, Wuhan 430074, Peoples R China