1. Indiana University Network Science Institute (IUNI), Indiana University, Bloomington, IN, USA
2. Department of Health Administration, Midwestern State University, Wichita Falls, TX, USA
3. Division of Infectious Diseases and Global Public Health, Department of Medicine, University of California, San Diego, La Jolla, CA, USA
4. Department of Applied Health Sciences, Indiana University, Bloomington, IN, USA
5. School of Community Health Sciences, University of Nevada, Reno, NV, USA