1. Department of Medicine, Harvard Medical School, Boston, MA (B.N.-H.).
2. Department of Human Evolutionary Biology, Harvard University, Cambridge, MA (B.N.-H.).
3. Division of Cardiology, David Geffen School of Medicine at the University of California, Los Angeles (B.N.-H.).
4. College of Veterinary Medicine, Western University of Health Sciences, Pomona, CA (A.L.).