Update cell.csl (access) (#6985)

cell.csl

@@ -17,12 +17,15 @@
       <name>Aurimas Vinckevicius</name>
       <email>[email protected]</email>
     </contributor>
+    <contributor>
+      <name>Patrick O'Brien</name>
+    </contributor>
     <category citation-format="numeric"/>
     <category field="biology"/>
     <issn>0092-8674</issn>
     <eissn>1097-4172</eissn>
     <summary>The Cell journal style, switched to numeric superscript as per the Cell editorial office in Sept. 2022</summary>
-    <updated>2022-09-23T22:06:38+00:00</updated>
+    <updated>2024-03-28T09:46:58+00:00</updated>
     <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
   </info>
   <macro name="editor">
@@ -44,7 +47,7 @@
   <macro name="access">
     <choose>
       <if match="any" variable="DOI">
-        <text variable="DOI"/>
+        <text variable="DOI" prefix="https://doi.org/"/>
       </if>
       <else-if match="any" type="webpage dataset entry-dictionary entry-encyclopedia post post-weblog">
         <text variable="URL"/>