1. Population Informatics Lab, Texas A&M University , College Station, TX 77843, United States
2. Department of Health Policy & Management, Texas A&M University , College Station, TX 77843, United States
3. Department of Health Policy & Organization, The University of Alabama at Birmingham, School of Public Health , Birmingham, AL 35233, United States
4. Department of Computer Science and Engineering, Texas A&M University , College Station, TX 77843, United States