Aged

• Peking University First Hospital — Beijing, Beijing Municipality, China
• Peking University International Hospital — Beijing, Beijing Municipality, China
• Tianjin Medical University General Hospital — Tianjin, Tianjin Municipality, China

• Chang Gung University of Science and Technology — Taoyuan, Taiwan

Not specified

Not specified

• Southern Alberta Primary Care Research Network (SAPCReN) — Calgary, Alberta, Canada
• Northern Alberta Primary Care Research Network (NAPCReN) — Edmonton, Alberta, Canada
• British Columbia node of the pan-Canadian CPCSSN (BC-CPCSSN) — Vancouver, British Columbia, Canada
• Manitoba Primary Care Research Network (MaPCReN) — Winnipeg, Manitoba, Canada

• MEDSI Clinic — Moscow, Russia

• Hospital general Universitario Gregorio Marañón — Madrid, Spain

• School of Nursing, The University of Hong Kong — Hong Kong

• Henri Mondor Hospital — Créteil, VAL DE Marne, France

• Shaun Lee — Subang Jaya, Selangor, Malaysia