Multifunctional electronic devices and sensors that are stationary and/or wearable, in the nature of medical devices for measuring, sensing, detecting, collecting, monitoring, storing, generating, transmitting, displaying, analyzing, managing, editing, tracking, reporting, sharing, and presenting personal statistical medical and fitness data, namely, vital signs, physiological data, pulse wave velocity, weight, body composition, cardiovascular and/or cardiopulmonary data obtained from a user;...