Institution: | a Department of Molecular Biology and Genetics and Center for Sensory Biology, The Johns Hopkins University School of Medicine, 725 North Wolfe Street, PCTB 818 Baltimore, MD 21205, USA b Regeneron Pharmaceuticals, 777 Old Saw Mill River Road, Tarrytown, NY 10591, USA c Department of Pediatrics, Division of Pediatric Hematology-Oncology, 6000 Harry Hines Boulevard, University of Texas Southwestern Medical Center at Dallas, Dallas, TX 75390-9148, USA d Department of Molecular Biology 6000 Harry Hines Boulevard, University of Texas Southwestern Medical Center at Dallas, Dallas, TX 75390-9148, USA |