1. Division of Family MedicineTri‐Service General HospitalNational Defense Medical Center Taipei Taiwan
2. Department of PediatricsTri‐Service General HospitalNational Defense Medical Center Taipei Taiwan
3. Department of General MedicineMackay Memorial Hospital Taipei Taiwan
4. Division of Geriatric Medicine Department of Family and Community Medicine Tri‐Service General Hospital National Defense Medical Center Taipei Taiwan
5. Graduate Institute of Medical Sciences National Defense Medical Center Taipei Taiwan
6. Graduate Institute of Clinical MedicineCollege of MedicineNational Taiwan University Taipei Taiwan