1. Duke Center for Applied Genomics & Precision Medicine, Department of Medicine, Duke University School of Medicine , 101 Science Dr. CIEMAS Building, Durham, NC 27708, USA
2. Durham VA Health Care System , 508 Fulton St, Durham, NC 27705, USA
3. VA Informatics and Computing Infrastructure (VINCI) , Salt Lake City VA Health Care System, 500 Foothill Blvd, Salt Lake City, UT 84148, USA