Resolve "PDP study patient data"

Closes #186 (closed)

smash/web/api_views/serialization_utils.py

@@ -41,8 +41,8 @@ def serialize_datetime(date):
 
 
 def add_column(result, name, field_name, column_list, param, columns_used_in_study=None, visible_param=None,
-               sortable=True):
-    add = True
+               sortable=True, add_param=True):
+    add = add_param
     if columns_used_in_study:
         add = getattr(columns_used_in_study, field_name)
     if add: