[1] Texas A&M Univ Corpus Christi, Coll Business, 6300 Ocean Dr, Corpus Christi, TX 78412 USA
[2] Washington State Univ, Todd Hall 442, Pullman, WA 99164 USA
[3] Middle Tennessee State Univ, Jones Coll Business, MTSU Box 45,Business & Aerosp N349, Murfreesboro, TN 37132 USA
[4] Univ Tehran, Tehran, Iran