- Correspondence to Dr Luís Flores, Internal Medicine Department, Centro Hospitalar Universitário de São João, Porto 4200-319, Portugal;
- Received February 15, 2019
- Revised March 17, 2019
- Accepted March 24, 2019
- First published April 11, 2019.
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.