@type t() :: %HL7v2.Segment.CM0{
  alternate_study_id: term(),
  chairman_of_study: term(),
  contact_for_study: term(),
  contacts_address: term(),
  contacts_telephone_number: term(),
  extra_fields: term(),
  last_accrual_date: term(),
  last_iru_date: term(),
  set_id: term(),
  sponsor_study_id: term(),
  title_of_study: term(),
  total_accrual_to_date: term()
}