1. Center for Services Leadership, Thunderbird School of Global Management, Arizona State University, Glendale, AZ, USA
2. Faculty of Management, Kadir Has University, Istanbul, Turkey
3. Marketing Division, Leeds University Business School, University of Leeds, Leeds, United Kingdom
4. Department of Business Administration, Faculty of Management, Kadir Has University, Istanbul, Turkey
5. Faculty of Business Administration, Marmara University, Istanbul, Turkey