- Correspondence to Dr Job F M van Boven, Dept of General Practice & Elderly Care Medicine and Dept of Clinical Pharmacy & Pharmacology, University Medical Centre Groningen, Groningen Research Institute for Asthma & COPD (GRIAC), University of Groningen, Groningen 9700, The Netherlands;
- Accepted May 23, 2019
- First published July 8, 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.