1. Putra Business School, UPM, Seri Kembangan, Malaysia
2. Management Department, BINUS Online Learning, Bina Nusantara University, Jakarta, Indonesia
3. Department of Health Administration, College of Business Administration, King Saud University, Riyadh, Saudi Arabia
4. Department of Engineering Management and Logistic Systems, Faculty of Economics and Management, University of Zielona Góra, Zielona Góra, Poland