def _tree_store_sub_branch(self, traj_node, branch_name,
                               store_data=pypetconstants.STORE_DATA,
                               with_links=True,
                               recursive=False,
                               max_depth=None,
                               hdf5_group=None):
        """Stores data starting from a node along a branch and starts recursively loading
        all data at end of branch.

        :param traj_node: The node where storing starts

        :param branch_name:

            A branch along which storing progresses. Colon Notation is used:
            'group1.group2.group3' loads 'group1', then 'group2', then 'group3', and then finally
            recursively all children and children's children below 'group3'.

        :param store_data: How data should be stored

        :param with_links: If links should be stored

        :param recursive:

            If the rest of the tree should be recursively stored

        :param max_depth:

            Maximum depth to store

        :param hdf5_group:

            HDF5 node in the file corresponding to `traj_node`

        """
        if store_data == pypetconstants.STORE_NOTHING:
            return

        if max_depth is None:
            max_depth = float('inf')

        if hdf5_group is None:
            # Get parent hdf5 node
            location = traj_node.v_full_name
            hdf5_location = location.replace('.', '/')
            try:
                if location == '':
                    hdf5_group = self._trajectory_group
                else:
                    hdf5_group = self._hdf5file.get_node( where=self._trajectory_group,
                                                         name=hdf5_location)
            except pt.NoSuchNodeError:
                self._logger.debug('Cannot store `%s` the parental hdf5 node with path `%s` does '
                                     'not exist on disk.' %
                                     (traj_node.v_name, hdf5_location))

                if traj_node.v_is_leaf:
                    self._logger.error('Cannot store `%s` the parental hdf5 '
                                       'node with path `%s` does '
                                       'not exist on disk! The child '
                                       'you want to store is a leaf node,'
                                       'that cannot be stored without '
                                       'the parental node existing on '
                                       'disk.' % (traj_node.v_name, hdf5_location))
                    raise
                else:
                    self._logger.debug('I will try to store the path from trajectory root to '
                                         'the child now.')

                    self._tree_store_sub_branch(traj_node._nn_interface._root_instance,
                                                traj_node.v_full_name + '.' + branch_name,
                                                store_data=store_data, with_links=with_links,
                                                recursive=recursive,
                                                max_depth=max_depth + traj_node.v_depth,
                                                hdf5_group=self._trajectory_group)
                    return

        current_depth = 1

        split_names = branch_name.split('.')

        leaf_name = split_names.pop()

        for name in split_names:
            if current_depth > max_depth:
                return
            # Store along a branch
            self._tree_store_nodes_dfs(traj_node, name, store_data=store_data, with_links=with_links,
                                   recursive=False, max_depth=max_depth,
                                   current_depth=current_depth, parent_hdf5_group=hdf5_group)
            current_depth += 1

            traj_node = traj_node._children[name]

            hdf5_group = getattr(hdf5_group, name)

        # Store final group and recursively everything below it
        if current_depth <= max_depth:
            self._tree_store_nodes_dfs(traj_node, leaf_name, store_data=store_data,
                               with_links=with_links, recursive=recursive,
                               max_depth=max_depth, current_depth=current_depth,
                               parent_hdf5_group=hdf5_group)
Stores data starting from a node along a branch and starts recursively loading
        all data at end of branch.

        :param traj_node: The node where storing starts

        :param branch_name:

            A branch along which storing progresses. Colon Notation is used:
            'group1.group2.group3' loads 'group1', then 'group2', then 'group3', and then finally
            recursively all children and children's children below 'group3'.

        :param store_data: How data should be stored

        :param with_links: If links should be stored

        :param recursive:

            If the rest of the tree should be recursively stored

        :param max_depth:

            Maximum depth to store

        :param hdf5_group:

            HDF5 node in the file corresponding to `traj_node`