more information to README

README.md

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 cluster_roi
 ===========
 
-Python script to perform the spatially constrained parcellation of funcitonal MRI data as described in Craddock et al., Human Brain Mapp., 33 (9)  2012
+#### pyClusterROI_test.py
+# Copyright (C) 2010 R. Cameron Craddock ([email protected])
+#
+# This script is a part of the pyClusterROI python toolbox for the spatially
+# constrained clustering of fMRI data. It is a demonstration of how to use the
+# toolbox and a regression test to make sure that the toolbox code works.
+#
+# For more information refer to:
+#
+# Craddock, R. C.; James, G. A.; Holtzheimer, P. E.; Hu, X. P. & Mayberg, H. S.
+# A whole brain fMRI atlas generated via spatially constrained spectral
+# clustering Human Brain Mapping, 2012, 33, 1914-1928 doi: 10.1002/hbm.21333.
+#
+# ARTICLE{Craddock2012,
+#   author = {Craddock, R C and James, G A and Holtzheimer, P E and Hu, X P and
+#   Mayberg, H S},
+#   title = {{A whole brain fMRI atlas generated via spatially constrained
+#   spectral clustering}},
+#   journal = {Human Brain Mapping},
+#   year = {2012},
+#   volume = {33},
+#   pages = {1914--1928},
+#   number = {8},
+#   address = {Department of Neuroscience, Baylor College of Medicine, Houston,
+#       TX, United States},
+#   pmid = {21769991},
+# } 
+#
+# Documentation, updated source code and other information can be found at the
+# NITRC web page: http://www.nitrc.org/projects/cluster_roi/ and on github at
+# https://github.com/ccraddock/cluster_roi
+#
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+####
+
+
+# this scripts requires NumPy (numpy.scipy.org), SciPy (www.scipy.org), and
+# NiBabel (http://niftilib.sourceforge.net/pynifti/) and the pyClusterROI
+# toolbox to be installed in a directory that is accessible through PythonPath
 
 Please refer to pyClusterROI_test.py for detailed instructions on how to use the code. This script can be executed using [test data.](https://www.nitrc.org/frs/downloadlink.php/3719)