1. Division of Endocrinology and MetabolismDepartment of Internal MedicineChang Gung Memorial HospitalChang Gung UniversityTaiwanP. R. China
2. Division of Endocrinology and MetabolismDepartment of Internal MedicineChang Gung Memorial Hospital in KeelungChang Gung UniversityTaiwanP.R. China
3. Department of PathologyChang Gung Memorial HospitalChang Gung UniversityTaiwanP.R. China
4. Department of General SurgeryChang Gung Memorial HospitalChang Gung UniversityTaiwanP.R. China