1. a Information and Decision Sciences Department , College of Business, University of Texas at El Paso , El Paso, TX 79968, USA
2. b MIS/POM Department , School of Business Administration, University of Mississippi, University , MS 38677, USA
3. c Syndets Tower - Unit 1, Procter & Gamble, Vallejo Site , México, D.F. 2300, México
4. d Industrial Engineering Department , Instituto Tecnológico y de Estudios Superiores de Monterrey, Campus Hidalgo , Pachuca, HGO 42080, México