1. Department of Public Health Sciences, Graduate School of Public HealthSeoul National University Seoul South Korea
2. Interdisciplinary Program for Bioinformatics, College of Natural ScienceSeoul National University Seoul South Korea
3. Institute of Health and EnvironmentSeoul National University Seoul South Korea
4. Department of BiostatisticsHarvard T. H. Chan School of Public Health Boston Massachusetts
5. Department of Population MedicineHarvard Medical School and Harvard Pilgrim Health Care Institute Boston Massachusetts
6. Channing Division of Network MedicineBrigham and Women's Hospital Boston Massachusetts