code: def setup_dashboard_panels_visibility_registry(section_name):
      
      registry_info = get_dashboard_registry_record()
      role_permissions_list = []
      # Getting roles defined in the system
      roles = []
      acl_users = get_tool("acl_users")
      roles_tree = acl_users.portal_role_manager.listRoleIds()
      for role in roles_tree:
          roles.append(role)
      # Set view permissions to each role as 'yes':
      # "role1,yes,role2,no,rol3,no"
      for role in roles:
          role_permissions_list.append(role)
          visible = 'no'
          if role in ['LabManager', 'Manager']:
              visible = 'yes'
          role_permissions_list.append(visible)
      role_permissions = ','.join(role_permissions_list)
  
      # Set permissions string into dict
      registry_info[get_unicode(section_name)] = get_unicode(role_permissions)
      # Set new values to registry record
      set_dashboard_registry_record(registry_info)
      return registry_info
docs: Initializes the values for panels visibility in registry_records. By
      default, only users with LabManager or Manager roles can see the panels.
      :param section_name:
      :return: An string like: "role1,yes,role2,no,rol3,no"