code: func (m *Manager) GetSubOrganizations(globalID string) ([]Organization, error) {
  	var organizations = make([]Organization, 0, 0)
  	var qry = bson.M{"globalid": bson.M{"$regex": bson.RegEx{"^" + globalID + `\.`, ""}}}
  	if err := m.collection.Find(qry).All(&organizations); err != nil {
  		return nil, err
  	}
  
  	return organizations, nil
  }
docs: // GetSubOrganizations returns all organizations which have {globalID} as parent (including the organization with {globalID} as globalid)
  // TODO: validate globalID since it is appended in the query