- Correspondence to Dr Won Jin Lee, Department of Preventive Medicine, Korea University College of Medicine and School of Medicine, Seoul, South Korea;
- Received February 5, 2021
- Revised April 22, 2021
- Accepted May 3, 2021
- First published May 26, 2021.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.