Institution: | 1. Department of Genetics, University of North Carolina, Chapel Hill, North Carolina, United States of America;2. Department of Pediatrics and Adolescent Medicine, Ulm University Hospital, Ulm, Germany;3. Department of Medicine, University of Eastern Finland and Kuopio University Hospital, Kuopio, Finland;4. Department of Biostatistics, University of North Carolina, Chapel Hill, North Carolina, United States of America; Yale School of Medicine, UNITED STATES |