private Participant copyFrom(Participant participant) {
    final Participant p = ParticipantFactory.getInstance().createObject();

    p.setId(participant.getId());
    p.setActivityStatus(participant.getActivityStatus());
    p.setBirthDate(participant.getBirthDate());
    p.setEthnicity(participant.getEthnicity());
    p.setFirstName(participant.getFirstName());
    p.setLastName(participant.getLastName());
    p.setGender(participant.getGender());
    p.setMetaPhoneCode(participant.getMetaPhoneCode());
    p.setSocialSecurityNumber(participant.getSocialSecurityNumber());
    p.setVitalStatus(participant.getVitalStatus());

    final Iterator<Race> iter = participant.getRaceCollection().iterator();
    while (iter.hasNext()) {
      final Race race = (Race) iter.next();
      final Race r = RaceFactory.getInstance().createObject();
      r.setParticipant(p);
      r.setRaceName(race.getRaceName());
      p.getRaceCollection().add(r);
    }

    final Iterator<CollectionProtocolRegistration> cprIter =
        participant.getCollectionProtocolRegistrationCollection().iterator();
    while (cprIter.hasNext()) {
      final CollectionProtocolRegistration collectionProtocolRegistration =
          (CollectionProtocolRegistration) cprIter.next();

      final CollectionProtocol collectionProtocol =
          collectionProtocolRegistration.getCollectionProtocol();
      final CollectionProtocol cp = CollectionProtocolFactory.getInstance().createObject();
      cp.setActivityStatus(collectionProtocol.getActivityStatus());
      cp.setTitle(collectionProtocol.getTitle());
      cp.setShortTitle(collectionProtocol.getShortTitle());

      final CollectionProtocolRegistration cpr =
          CollectionProtocolRegistrationFactory.getInstance().createObject();
      cpr.setParticipant(p);
      cpr.setConsentSignatureDate(collectionProtocolRegistration.getConsentSignatureDate());
      cpr.setRegistrationDate(collectionProtocolRegistration.getRegistrationDate());
      cpr.setProtocolParticipantIdentifier(
          collectionProtocolRegistration.getProtocolParticipantIdentifier());
      // setting empty consenttier status collection, as update flow will not update consent tier
      cpr.setConsentTierResponseCollection(
          (Collection<ConsentTierResponse>) new LinkedHashSet<ConsentTierResponse>());

      cpr.setCollectionProtocol(cp);
      p.getCollectionProtocolRegistrationCollection().add(cpr);
    }
    return p;
  }