diff --git a/letter.tex b/letter.tex
index afe0a81..fa21c04 100644
--- a/letter.tex
+++ b/letter.tex
@@ -783,6 +783,16 @@ observation and a more mathematically rigorous foundation for determining these
 components could be beneficial.
 
 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section{Acknowledgements}
+
+This work has received funding in part from the European Research Council
+(ERC) under the European Union’s Horizon 2020 research and innovation
+programme (grant agreement No. 101001899) and in part from the German Federal
+Ministry of Education and Research (BMBF) within the project Open6GHub
+(grant agreement 16KISK010).
+
+
 %
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % Bibliography