Improve Setup section with detailed description of mlpy installation

README.md

-### Integrative Network Fusion (INF)
+# Integrative Network Fusion (INF)
 ![INF pipeline ](figs/INF_pipeline.jpeg)
 
-**Setup**
+## Setup
 ```bash
 git clone https://gitlab.fbk.eu/MPBA/INF
 cd INF
@@ -9,19 +9,44 @@ conda env create -f env.yml -n inf
 conda activate inf
 ```
 
+### Additional dependencies
+
+#### R dependencies
 To install the R dependencies (not in conda channels), run the following command via the R prompt:
 ```bash
 install.packages("TunePareto")
 ```
 
-To install `mlpy`, follow the instructions [here](https://gitlab.fbk.eu/MPBA/mlpy). 
+#### MLPY
+To install `mlpy` follow this instructions:
+
+`mlpy` package is required for some operations included in the DAP procedure.
+
+The `mlpy` package available on PyPI is outdated and not working on OSX platforms.
 
+These are the steps to follow:
 
+Let `<ANACONDA>` be your anaconda path (e.g., `/home/user/anaconda3`).
+
+Adjust these environmental variables:
+```bash
+export LD_LIBRARY_PATH=<ANACONDA>/envs/<ENV>/lib:${LD_LIBRARY_PATH}
+export CPATH=<ANACONDA>/envs/<ENV>/include:${CPATH}
+```
+
+and then install `mlpy` from GitLab:
+```bash
+pip install git+https://gitlab.fbk.eu/MPBA/mlpy.git
+```
+
+#### Other Python dependencies
 To install `bootstrapped`:
 ```bash
 pip install bootstrapped
 ```
 
+## Usage
+
 **Input files**
 
 * omics layer 1 data: samples x features, tab-separated, with row & column names