gt;</span> 	* charlson_icd9_quan </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 	* charlson_icd10_quan </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 	* charlson_icd10_se </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 	* charlson_icd10_am </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 	* charlson_icd10_am_ucodes </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 	* elixhauser_icd9_quan </span>
<span class="r-out co"><span class="r-p