1. Department of Statistics and Data Science, Southern Methodist University , Dallas, TX 75275, United States
2. Department of Statistical Science, Baylor University , Waco, TX 76798, United States
3. Quantitative Biomedical Research Center, The University of Texas Southwestern Medical Center , Dallas, TX 75390, United States
4. Department of Mathematics, University of Texas at Arlington , Arlington, TX 76019 United States
5. Division of Data Science, College of Science, University of Texas at Arlington , Arlington, TX 76019, United States