1. School of Social Work, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
2. Hospitality, Recreation and Tourism Department, California State University, East Bay, USA
3. Department of Kinesiology and Community Health, University of Illinois Urbana-Champaign, Champaign, Illinois, USA
4. College of Nursing, University of Illinois at Chicago, Chicago, Illinois, USA