Jill M. Sebra has worked for more than 18 years as an STM copy editor, trainer and freelance copy editor for numerous well-known journals (including Proceedings of the National Academy of Sciences, Pediatrics, Journal of Biological Chemistry, Journal of the Pediatric Infectious Diseases Society, and journals of the American Association of Neurological Surgeons, American Society for Microbiology, and American Society of Civil Engineers). Her unparalleled editorial efforts have transformed the readability of this Atlas to a new level.