- Correspondence to Professor Jeong Gyu Lee, Department of Family Medicine, Pusan National University Hospital, 49241 Busan, Korea (the Republic of);
- Received March 25, 2021
- Accepted June 14, 2021
- First published July 2, 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.