1. Department of PsychiatryKaohsiung Veterans General HospitalKaohsiungTaiwan
2. School of MedicineNational Yang‐Ming UniversityTaipeiTaiwan
3. Center for Geriatrics and GerontologyKaohsiung Veterans General HospitalKaohsiungTaiwan
4. Eastern HealthMelbourneVICAustralia
5. Academic Unit of Psychiatry & Addiction MedicineSchool of MedicineAustralian National UniversityCanberraACTAustralia
6. Department of Critical Care MedicineKaohsiung Veterans General HospitalKaohsiungTaiwan
7. Department of Physical TherapyFooyin UniversityKaohsiungTaiwan