Article info

Download PDFPDF
In reply to Schnabel et al.


  1. Correspondence to Dr Faraj W Abdallah; Faraj.Abdallah{at}


Abdallah FW, Hussain N, Brull R
In reply to Schnabel et al.

Publication history

  • Received March 19, 2021
  • Accepted March 22, 2021
  • First published March 31, 2021.

Request permissions

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.