1. Department of StatisticsNorth Carolina State University Raleigh North Carolina
2. Department of GeneticsUniversity of North Carolina at Chapel Hill Chapel Hill North Carolina
3. Stanley Neurovirology LaboratoryJohns Hopkins School of Medicine Baltimore Maryland
4. Bioinformatics Research CenterNorth Carolina State University Raleigh North Carolina
5. Institute of Epidemiology and Preventive MedicineNational Taiwan University Taipei Taiwan
6. Department of StatisticsNational Cheng‐Kung University Tainan Taiwan