- Correspondence to Dr Anna K. Melnikoff, University of Alabama at Birmingham, Birmingham, AL 35233, USA;
- Received April 19, 2019
- Revision received June 27, 2019
- Accepted July 5, 2019
- First published July 30, 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.