Update README.md

Author: cheesema

README.md

@@ -6,7 +6,7 @@ Library for producing and processing on the Adaptive Particle Representation (AP
 
 Labeled Zebrafish nuclei: Gopi Shah, Huisken Lab ([MPI-CBG](https://www.mpi-cbg.de), Dresden and [Morgridge Institute for Research](https://morgridge.org/research/medical-engineering/huisken-lab/), Madison); see also [Schmid et al., _Nature Communications_ 2017](https://www.nature.com/articles/ncomms3207)
 
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