diff --git a/dhp-workflows/dhp-usage-stats-update/src/main/java/eu/dnetlib/oa/graph/usagestats/export/SarcStats.java b/dhp-workflows/dhp-usage-stats-update/src/main/java/eu/dnetlib/oa/graph/usagestats/export/SarcStats.java
index 4efa7a35a1..db7828a30a 100644
--- a/dhp-workflows/dhp-usage-stats-update/src/main/java/eu/dnetlib/oa/graph/usagestats/export/SarcStats.java
+++ b/dhp-workflows/dhp-usage-stats-update/src/main/java/eu/dnetlib/oa/graph/usagestats/export/SarcStats.java
@@ -192,7 +192,6 @@ public class SarcStats {
 			 * PrintWriter wr = new PrintWriter(new FileWriter("logs/" + simpleDateFormat.format(start.getTime()) +
 			 * ".json")); wr.print(text); wr.close();
 			 */
-
 			System.out.println("AAAAAAAAAAA text " + text);
 
 			JSONParser parser = new JSONParser();
@@ -314,38 +313,37 @@ public class SarcStats {
 		ConnectDB.getConnection().close();
 
 	}
-
+	
 	private void renameKeysRecursively(String delimiter, JSONArray givenJsonObj) throws Exception {
-		for (Object jjval : givenJsonObj) {
-			if (jjval instanceof JSONArray)
-				renameKeysRecursively(delimiter, (JSONArray) jjval);
-			else if (jjval instanceof JSONObject)
-				renameKeysRecursively(delimiter, (JSONObject) jjval);
+		for(Object jjval : givenJsonObj) {
+			if(jjval instanceof JSONArray)
+				renameKeysRecursively(delimiter, (JSONArray)jjval);
+			else if(jjval instanceof JSONObject)
+				renameKeysRecursively(delimiter, (JSONObject)jjval);
 			// All other types of vals
-			else
-				;
+			else; 
 		}
 	}
-
+	
 	private void renameKeysRecursively(String delimiter, JSONObject givenJsonObj) throws Exception {
 		Set<String> jkeys = new HashSet<String>(givenJsonObj.keySet());
 		for (String jkey : jkeys) {
 			System.out.println("++++> " + jkey);
-
+			
 			String[] splitArray = jkey.split(delimiter);
 			String newJkey = splitArray[splitArray.length - 1];
 			System.out.println("New jkey: " + jkey);
-
+			
 			Object jval = givenJsonObj.get(jkey);
 			System.out.println("jval ===> " + jval.getClass().getName());
 			givenJsonObj.remove(jkey);
 			givenJsonObj.put(newJkey, jval);
-
-			if (jval instanceof JSONObject)
-				renameKeysRecursively(delimiter, (JSONObject) jval);
-
-			if (jval instanceof JSONArray) {
-				renameKeysRecursively(delimiter, (JSONArray) jval);
+			
+			if(jval instanceof JSONObject)
+				renameKeysRecursively(delimiter, (JSONObject)jval);
+			
+			if(jval instanceof JSONArray) {
+				renameKeysRecursively(delimiter, (JSONArray)jval);
 			}
 		}
 	}