1. New York University, Steinhardt School of Culture, Education, and Human Development, 35 West 4th Street, Suite 1200, New York, NY 10003, USA,
2. Graduate Community Health Programs, University of Wisconsin at La Crosse, 201 Mitchell Hall, 1725 State Street, La Crosse, Wisconsin 54601, USA,
3. A.T. Still University, School of Health Management, Kirksville MO 63501, USA,
4. Cambridge Research Associates, 17 Botanica Court, Bluffton, SC 29909, USA,