1. Department of Medical ResearchKaohsiung Medical University HospitalKaohsiung Medical UniversityKaohsiungTaiwan
2. Department of Medical GeneticsKaohsiung Medical UniversityKaohsiungTaiwan
3. Graduate Institute of MedicineKaohsiung Medical UniversityKaohsiungTaiwan
4. Section of NeurologyTaichung Veterans General HospitalTaichungTaiwan
5. Department of NeurologyNational Yang‐Ming University School of MedicineTaipeiTaiwan
6. Faculty of Internal MedicineCollege of MedicineKaohsiung Medical UniversityKaohsiungTaiwan
7. Hepatobiliary DivisionDepartment of Internal MedicineKaohsiung Medical UniversityKaohsiungTaiwan
8. Department of Occupational and Environmental MedicineKaohsiung Medical UniversityKaohsiungTaiwan