Add paper reference and authors

README.md

 # Integrative Network Fusion (INF)
 ![INF pipeline ](figs/INF_pipeline.jpeg)
 
+Repository attached to the article "Integrative Network Fusion: a multi-omicsapproach in molecular profiling".
+
+**Authors**: Marco Cherici*, Nicole Bussola*, Alessia Marcolini*, Margherita Francescatto, Alessandro Zandonà, Lucia Trastulla, Claudio Agostinelli, Giuseppe Jurman, Cesare Furlanello.
+
 ## Setup
 ```bash
 git clone https://gitlab.fbk.eu/MPBA/INF