/dt>
<dd><p>logical (default FALSE) whether or not to use multi core processing to read in matrices.</p></dd>


<dt>num_cores</dt>
<dd><p>how many cores to use for parallel processing.</p></dd>


<dt>merge</dt>
<dd><p>logical (default FALSE) whether or not to merge samples into a single matrix or return
list of matrices.  If TRUE each sample entry in list will have cell barcode prefix added.  The prefix
will be taken from <code>sample_names</code>.</p></dd>


<dt>...</dt>
<dd><p>Extra parameters passed to <