1. Facultad de Ciencias Administrativas at Escuela Politécnica Nacional, Quito, Ecuador
2. Industrial and Manufacturing Engineering Department, North Dakota State University, Fargo, North Dakota, USA
3. Industrial and Systems Engineering Department, North Carolina A&T State University, Greensboro, North Carolina, USA
4. Graduate School of Management and Innovation (GMI), King Mongkut’s University of Technology Thonburi (KMUTT), Bangkok, Thailand