[1] Department of Genetics, Harvard Medical School, Howard Hughes Medical Institute, Boston, MA
[2] Watson School of Biological Sciences, Howard Hughes Medical Institute, Cold Spring Harbor Laboratory, Cold Spring Harbor, NY
[3] Institute of Molecular Biotechnology, Vienna
[4] Pediatric Surgical Research Labs, Massachusetts General Hospital, Harvard Medical School, Boston, MA
[5] Gene Regulation Laboratory and Tsinghua Fly Center, School of Life Sciences and School of Medicine, Tsinghua University, Beijing
[6] Sanford-Burnham Medical Research Institute, San Diego, CA