Li Yi, PhD
@liyispatial
Research Fellow @harvardmed @DeptPopMed I’m into #BuiltEnvironment #HealthBehaviors #ChronicDiseases #GIS #WearableDevices #SmartphoneApps 🌿👣🚃🚴🧘🏻♂️🏋🏻
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http://liyispatial.com 23-01-2011 04:24:37
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