- Correspondence to Dr Hardeep Singh, Michael E. DeBakey Veterans Affairs Medical Center (MEDVAMC), Center for Innovations in Quality, Effectiveness and Safety (152), 2002 Holcombe Boulevard, Houston, TX 77030, USA;
- Received April 23, 2020
- Revised June 16, 2020
- Accepted June 19, 2020
- First published July 16, 2020.
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