About the Authors
Center for Human Genetics Research, Department of Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee, United States of America
Department of Pediatrics, Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
Center for Statistical Genetics, Department of Biostatistics, School of Public Health, University of Michigan, Ann Arbor, Michigan, United States of America
Istituto di Ricerca Genetica e Biomedica, Consiglio Nazionale delle Ricerche (CNR), Monserrato, Italy
The authors have declared that no competing interests exist.
Conceived and designed the experiments: BL GRA. Performed the experiments: BL WC XZ. Analyzed the data: BL WC XZ CS. Contributed reagents/materials/analysis tools: FB SS CS FC HMK. Wrote the paper: BL GRA.