1. Department of PathologyThe Johns Hopkins University School of MedicineBaltimore Maryland
2. Department of Pathology and Laboratory MedicineTaipei Veterans General HospitalTaipei Taiwan
3. School of MedicineNational Yang‐Ming UniversityTaipei Taiwan
4. Department of BiostatisticsJohns Hopkins Bloomberg School of Public HealthBaltimore Maryland
5. Department of PathologyMassachusetts General HospitalBoston Massachusetts