1. Yale School of Medicine , New Haven, CT 06510 , United States
2. Department of Radiology and Biomedical Imaging, Yale School of Medicine , 789 Howard Avenue, Tompkins East 204, New Haven, CT 06510 , United States
3. Yale School of Management, New Haven, CT 06510 , United States
4. Health Policy and Management Department, Yale School of Public Health, New Haven, CT 06510 , United States