Elderly Activity Life-Space Envelopes (EASE): Development and Feasibility of a Comprehensive, Integrated Protocol for Life-Space Mobility Research in Population Health

Yee Sien Ng   ^{1, 2, 3, 4, 5} , MBBS, MRCP ;   Fang Zhao   ^{6, 7} , PhD ;   Lynn Yi-Ching Ho   ¹ , PhD ;   Laura Tay   ^{1, 3, 4, 5} , MBBS, MMed ;   Eugene Shum   ^{1, 8} , MBBS, MPH ;   Aisyah Latib   ¹ , MSc ;   Silvana Choo   ^{1, 2} , PhD ;   Sharon Chew   ¹ , BSc ;   Teresa Leong   ¹ , BA ;   Yong Hao Pua   ^{1, 2, 4} , PhD ;   Belinda Yuen   ⁷ , PhD ;   Sam Conrad Joyce   ⁷ , PhD ;   Xin Yang   ⁷ , PhD ;   Angelique Chan   ⁴ , PhD ;   Ad Maulod   ⁴ , PhD ;   Yunjie Wong   ⁴ , BA ;   Donny Soh   ⁹ , PhD ;   Rajesh Krishna Balan   ¹⁰ , PhD ;   Lian Leng Low   ^{1, 2, 4} , MBBS ;   Julian Thumboo   ^{1, 2, 4} , MBBS, MRCP ;   Yew Yoong Ding   ^{5, 11} , MBBS, MPH, PhD ;   Helen Marie Hoenig   ¹² , MD, MPH ;   Sapphire Lin   ¹ , PhD

¹ Centre for Population Health Research and Implementation, SingHealth, Singapore, Singapore

² Singapore General Hospital, SingHealth, Singapore, Singapore

³ Sengkang General Hospital, SingHealth, Singapore, Singapore

⁴ Duke-NUS Medical School, Singapore, Singapore

⁵ Geriatric Education and Research Institute, Singapore, Singapore

⁶ Mobile Market Monitor, Boston, MA, United States

⁷ Singapore University of Technology and Design, Singapore, Singapore

⁸ Changi General Hospital, SingHealth, Singapore, Singapore

⁹ Singapore Institute of Technology, Singapore, Singapore

¹⁰ Singapore Management University, Singapore, Singapore

¹¹ Tan Tock Seng Hospital, National Healthcare Group, Singapore, Singapore

¹² Duke University, Durham, NC, United States