diff --git a/nifi/user-scripts/cogstack_cohort_generate_data.py b/nifi/user-scripts/cogstack_cohort_generate_data.py
index 64d67105..9e8dbbcf 100644
--- a/nifi/user-scripts/cogstack_cohort_generate_data.py
+++ b/nifi/user-scripts/cogstack_cohort_generate_data.py
@@ -269,34 +269,18 @@ def multiprocess_annotation_records(input_annotations: dict):
             else:
                 record_chunks = input_annotations
 
+            counter = 0
             for record_chunk in record_chunks:
                 rec_que.put(record_chunk)
                 annotation_process_pool_results.append(annotations_process_pool.starmap_async(_process_annotation_records, [(rec_que.get(),)], error_callback=logging.error))
+                counter += 1
 
-            for result in annotation_process_pool_results:
-                result_data = result.get(timeout=TIMEOUT)
+                for result in annotation_process_pool_results:
+                    result_data = result.get(timeout=TIMEOUT)
 
-                _cui2ptt_pos, _cui2ptt_tsp = result_data[0][0], result_data[0][1]
-
-                for cui, patient_id_count_vals in _cui2ptt_pos.items():
-                    if cui not in cui2ptt_pos.keys():
-                        cui2ptt_pos[cui] = patient_id_count_vals
-                    else:
-                        for patient_id, count in patient_id_count_vals.items():
-                            if patient_id not in cui2ptt_pos[cui].keys():
-                                cui2ptt_pos[cui][patient_id] = count
-                            else:
-                                cui2ptt_pos[cui][patient_id] += count
-
-                for cui, patient_id_timestamps in _cui2ptt_tsp.items():
-                    if cui not in cui2ptt_tsp.keys():
-                        cui2ptt_tsp[cui] = patient_id_timestamps
-                    else:
-                        for patient_id, timestamp in patient_id_timestamps.items():
-                            if patient_id not in cui2ptt_tsp[cui].keys():
-                                cui2ptt_tsp[cui][patient_id] = timestamp
-                            else:
-                                cui2ptt_tsp[cui][patient_id] = timestamp
+                    _cui2ptt_pos, _cui2ptt_tsp = result_data[0][0], result_data[0][1]
+                    cui2ptt_pos.update(_cui2ptt_pos)
+                    cui2ptt_tsp.update(_cui2ptt_tsp)
 
         except Exception as exception:
             time = datetime.now()
@@ -372,13 +356,6 @@ def multiprocess_annotation_records(input_annotations: dict):
             global_doc2ptt = json.loads(global_doc2ptt)
 
 if INPUT_ANNOTATIONS_RECORDS_FILE_NAME_PATTERN:
-
-    # cui2ptt_pos.jsonl each line is a dictionary of cui and the value is a dictionary of patients with a count {<cui>: {<patient_id>:<count>, ...}}\n...
-    cui2ptt_pos = defaultdict(Counter) # store the count of a SNOMED term for a patient
-
-    # cui2ptt_tsp.jsonl each line is a dictionary of cui and the value is a dictionary of patients with a timestamp {<cui>: {<patient_id>:<tsp>, ...}}\n...
-    cui2ptt_tsp = defaultdict(lambda: defaultdict(int)) # store the first mention timestamp of a SNOMED term for a patient
-
     # read each of the patient record files one by one
     for root, sub_directories, files in os.walk(INPUT_FOLDER_PATH):
         for file_name in files:
@@ -390,42 +367,21 @@ def multiprocess_annotation_records(input_annotations: dict):
                 with open(f_path, mode="r+") as f:
                     contents = json.loads(f.read())
 
-                    _cui2ptt_pos, _cui2ptt_tsp = multiprocess_annotation_records(contents)
+                    cui2ptt_pos, cui2ptt_tsp = multiprocess_annotation_records(contents)
+                    with open(os.path.join(OUTPUT_FOLDER_PATH, "cui2ptt_pos.jsonl"), "a+", encoding="utf-8") as outfile:
+                        for k,v in cui2ptt_pos.items():
+                            o = {k: v}
+                            json_obj = json.loads(json.dumps(o))
+                            json.dump(json_obj, outfile, ensure_ascii=False, indent=None, separators=(',',':'))
+                            print('', file=outfile)
+
+                    with open(os.path.join(OUTPUT_FOLDER_PATH, "cui2ptt_tsp.jsonl"), "a+", encoding="utf-8") as outfile:
+                        for k,v in cui2ptt_tsp.items():
+                            o = {k: v}
+                            json_obj = json.loads(json.dumps(o))
+                            json.dump(json_obj, outfile, ensure_ascii=False, indent=None, separators=(',',':'))
+                            print('', file=outfile)
 
                 with open(log_file_path, "a+") as log_file:
                     time = datetime.now()
-                    log_file.write("\n" + str(time) + ": processed file " + str(file_name))
-
-    for cui, patient_id_count_vals in _cui2ptt_pos.items():
-        if cui not in cui2ptt_pos.keys():
-            cui2ptt_pos[cui] = patient_id_count_vals
-        else:
-            for patient_id, count in patient_id_count_vals.items():
-                if patient_id not in cui2ptt_pos[cui]:
-                    cui2ptt_pos[cui][patient_id] = count
-                else:
-                    cui2ptt_pos[cui][patient_id] += count
-
-    for cui, patient_id_timestamps in _cui2ptt_tsp.items():
-        if cui not in cui2ptt_tsp.keys():
-            cui2ptt_tsp[cui] = patient_id_timestamps
-        else:
-            for patient_id, timestamp in patient_id_timestamps.items():
-                if patient_id not in cui2ptt_pos[cui].keys():
-                    cui2ptt_tsp[cui][patient_id] = timestamp
-                else:
-                    cui2ptt_tsp[cui][patient_id] = timestamp
-
-    with open(os.path.join(OUTPUT_FOLDER_PATH, "cui2ptt_pos.jsonl"), "a+", encoding="utf-8") as outfile:
-        for k,v in cui2ptt_pos.items():
-            o = {k: v}
-            json_obj = json.loads(json.dumps(o))
-            json.dump(json_obj, outfile, ensure_ascii=False, indent=None, separators=(',',':'))
-            print('', file=outfile)
-
-    with open(os.path.join(OUTPUT_FOLDER_PATH, "cui2ptt_tsp.jsonl"), "a+", encoding="utf-8") as outfile:
-        for k,v in cui2ptt_tsp.items():
-            o = {k: v}
-            json_obj = json.loads(json.dumps(o))
-            json.dump(json_obj, outfile, ensure_ascii=False, indent=None, separators=(',',':'))
-            print('', file=outfile)
+                    log_file.write("\n" + str(time) + ": processed file " + str(file_name))
\ No newline at end of file