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  ______    _____    ______     ______    ______  
 /_   _//  |  ___|| |      \\  /_   _//  /_   _// 
   | ||    | ||__   |  --  //   -| ||-   `-| |,-  
  _| ||    | ||__   |  --  \\   _| ||_     | ||   
 /__//     |_____|| |______//  /_____//    |_||   
 `--`      `-----`  `------`   `-----`     `-`'

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Text this: Use of a real-time locating system for contact tracing of health care workers during the COVID-19 pandemic at an infectious disease center in Singapore : validation study