“…• Physical sensor: generally any medical device with a wired/wireless interface can be used in eHealth ecosystem to track patients' physical wellness, and digitally monitor their health[49]. This includes ECG/EKG monitor[50],[51],[52],[53],[54],[55],[56],[57],[58],[59],[60],[61], heart rate monitor[62],[63], glucose monitor[64],[65],[66], blood pressure monitor[67],[68],[69], body temperature monitor[70], pulse oximeter[71], hemoglobin monitor[72], activity monitor[73], smart shoes[74], smart garments or e-textiles[75],[76],[77], sleep monitor[78], knee sensor[79], skin…”