“…Six studies added a Global Positioning System (GPS) device in addition to the activity monitors [ 54 , 103 , 105 , 110 , 114 ]. Other wearable technologies used in the included studies were TEMEC activity monitor (Temec Technologies BV, Heerlen, The Netherlands) [ 63 , 67 ], Dynaport ADL (McRoberts BV, The Hague, The Netherlands) [ 62 , 119 ], Power Walker (Yamax Health & Sports Inc., Shropshire, UK) [ 85 ], EmpowerGO (Hanger Inc., Austin, TX, USA) [ 24 ], Up move (Jawbone, San Francisco, CA, USA) [ 35 ], Activ 8 (VitaMove, Veldhoven, The Netherlands) [ 38 ], Uptimer (National Ageing Research Institute, Victoria, Australia) [ 66 ], AMP 331 (Dynastream Innovations, Cochrane, AB, Canada) [ 97 ], and the MiniMods Dynaport (McRoberts BV, The Hague, The Netherlands) [ 33 ]. Two studies used an accelerometer, but did not specify the manufacturer [ 55 , 93 ].…”