1. Quality Management Division Intro Biopharma Korea Gyeonggi‐do South Korea
2. Department of Medicine Samsung Medical Center Sungkyunkwan University School of Medicine Seoul South Korea
3. Department of Clinical Research Design and Evaluation SAIHST Sungkyunkwan University Seoul South Korea
4. Center for Clinical Epidemiology Samsung Medical Center Sungkyunkwan University Seoul South Korea
5. Departments of Epidemiology and Medicine and Welch Center for Prevention, Epidemiology and Clinical Research Johns Hopkins Medical Institution Baltimore MD USA